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Finding the Fourth Proportional to 61,253.68, 84,583.92 and 38,633.08

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Solution

The fourth proportional to 61,253.68, 84,583.92 and 38,633.08 is: 53,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,253.68 : 84,583.92 = 38,633.08 : x
  2. Step 2: Convert to fraction form
    61,253.68/84,583.92 = 38,633.08/x
  3. Step 3: Cross multiply
    61,253.68x = 84,583.92 × 38,633.08
  4. Step 4: Simplify right side
    61,253.68x = 3,267,737,348.07
  5. Step 5: Solve for x
    x = 3,267,737,348.07/61,253.68
  6. Step 6: Final answer
    x = 53,347.61

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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.