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Finding the Fourth Proportional to 62,555.43, 86,332.70 and 35,702

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Solution

The fourth proportional to 62,555.43, 86,332.70 and 35,702 is: 49,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,555.43 : 86,332.70 = 35,702 : x
  2. Step 2: Convert to fraction form
    62,555.43/86,332.70 = 35,702/x
  3. Step 3: Cross multiply
    62,555.43x = 86,332.70 × 35,702
  4. Step 4: Simplify right side
    62,555.43x = 3,082,250,055.40
  5. Step 5: Solve for x
    x = 3,082,250,055.40/62,555.43
  6. Step 6: Final answer
    x = 49,272.30

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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.