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Finding the Fourth Proportional to 7,441.51, 11,164.14 and 5,254.51

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Solution

The fourth proportional to 7,441.51, 11,164.14 and 5,254.51 is: 7,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.51 : 11,164.14 = 5,254.51 : x
  2. Step 2: Convert to fraction form
    7,441.51/11,164.14 = 5,254.51/x
  3. Step 3: Cross multiply
    7,441.51x = 11,164.14 × 5,254.51
  4. Step 4: Simplify right side
    7,441.51x = 58,662,085.27
  5. Step 5: Solve for x
    x = 58,662,085.27/7,441.51
  6. Step 6: Final answer
    x = 7,883.09

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Half scale
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Double scale
Find fourth proportional to 7,442.51, 11,165.64 and 5,255.51
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.