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Finding the Fourth Proportional to 62,654.86, 86,455.74 and 35,799.11

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Solution

The fourth proportional to 62,654.86, 86,455.74 and 35,799.11 is: 49,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,654.86 : 86,455.74 = 35,799.11 : x
  2. Step 2: Convert to fraction form
    62,654.86/86,455.74 = 35,799.11/x
  3. Step 3: Cross multiply
    62,654.86x = 86,455.74 × 35,799.11
  4. Step 4: Simplify right side
    62,654.86x = 3,095,038,572.57
  5. Step 5: Solve for x
    x = 3,095,038,572.57/62,654.86
  6. Step 6: Final answer
    x = 49,398.22

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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.