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Finding the Fourth Proportional to 62,458.55, 86,190.65 and 35,609.71

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Solution

The fourth proportional to 62,458.55, 86,190.65 and 35,609.71 is: 49,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,458.55 : 86,190.65 = 35,609.71 : x
  2. Step 2: Convert to fraction form
    62,458.55/86,190.65 = 35,609.71/x
  3. Step 3: Cross multiply
    62,458.55x = 86,190.65 × 35,609.71
  4. Step 4: Simplify right side
    62,458.55x = 3,069,223,657.69
  5. Step 5: Solve for x
    x = 3,069,223,657.69/62,458.55
  6. Step 6: Final answer
    x = 49,140.17

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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.