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Finding the Fourth Proportional to 39,498.80, 54,502.04 and 22,503.38

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Solution

The fourth proportional to 39,498.80, 54,502.04 and 22,503.38 is: 31,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,498.80 : 54,502.04 = 22,503.38 : x
  2. Step 2: Convert to fraction form
    39,498.80/54,502.04 = 22,503.38/x
  3. Step 3: Cross multiply
    39,498.80x = 54,502.04 × 22,503.38
  4. Step 4: Simplify right side
    39,498.80x = 1,226,479,731.87
  5. Step 5: Solve for x
    x = 1,226,479,731.87/39,498.80
  6. Step 6: Final answer
    x = 31,051.07

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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.