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Finding the Fourth Proportional to 7,550.55, 11,264.13 and 7,346.97

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Solution

The fourth proportional to 7,550.55, 11,264.13 and 7,346.97 is: 10,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.55 : 11,264.13 = 7,346.97 : x
  2. Step 2: Convert to fraction form
    7,550.55/11,264.13 = 7,346.97/x
  3. Step 3: Cross multiply
    7,550.55x = 11,264.13 × 7,346.97
  4. Step 4: Simplify right side
    7,550.55x = 82,757,225.19
  5. Step 5: Solve for x
    x = 82,757,225.19/7,550.55
  6. Step 6: Final answer
    x = 10,960.42

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Half scale
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Double scale
Find fourth proportional to 7,551.55, 11,265.62 and 7,347.97
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.