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Finding the Fourth Proportional to 61,502.95, 84,834.70 and 38,801.89

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Solution

The fourth proportional to 61,502.95, 84,834.70 and 38,801.89 is: 53,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,502.95 : 84,834.70 = 38,801.89 : x
  2. Step 2: Convert to fraction form
    61,502.95/84,834.70 = 38,801.89/x
  3. Step 3: Cross multiply
    61,502.95x = 84,834.70 × 38,801.89
  4. Step 4: Simplify right side
    61,502.95x = 3,291,746,697.58
  5. Step 5: Solve for x
    x = 3,291,746,697.58/61,502.95
  6. Step 6: Final answer
    x = 53,521.77

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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.