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Finding the Fourth Proportional to 7,204.51, 9,945.54 and 5,081.77

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Solution

The fourth proportional to 7,204.51, 9,945.54 and 5,081.77 is: 7,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.51 : 9,945.54 = 5,081.77 : x
  2. Step 2: Convert to fraction form
    7,204.51/9,945.54 = 5,081.77/x
  3. Step 3: Cross multiply
    7,204.51x = 9,945.54 × 5,081.77
  4. Step 4: Simplify right side
    7,204.51x = 50,540,946.81
  5. Step 5: Solve for x
    x = 50,540,946.81/7,204.51
  6. Step 6: Final answer
    x = 7,015.18

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.