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Finding the Fourth Proportional to 62,657.70, 86,472.20 and 35,799.63

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Solution

The fourth proportional to 62,657.70, 86,472.20 and 35,799.63 is: 49,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,657.70 : 86,472.20 = 35,799.63 : x
  2. Step 2: Convert to fraction form
    62,657.70/86,472.20 = 35,799.63/x
  3. Step 3: Cross multiply
    62,657.70x = 86,472.20 × 35,799.63
  4. Step 4: Simplify right side
    62,657.70x = 3,095,672,765.29
  5. Step 5: Solve for x
    x = 3,095,672,765.29/62,657.70
  6. Step 6: Final answer
    x = 49,406.10

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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.