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Finding the Fourth Proportional to 62,602.68, 86,421.62 and 35,740.00

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Solution

The fourth proportional to 62,602.68, 86,421.62 and 35,740.00 is: 49,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,602.68 : 86,421.62 = 35,740.00 : x
  2. Step 2: Convert to fraction form
    62,602.68/86,421.62 = 35,740.00/x
  3. Step 3: Cross multiply
    62,602.68x = 86,421.62 × 35,740.00
  4. Step 4: Simplify right side
    62,602.68x = 3,088,708,209.02
  5. Step 5: Solve for x
    x = 3,088,708,209.02/62,602.68
  6. Step 6: Final answer
    x = 49,338.28

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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.