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Finding the Fourth Proportional to 67,244.80, 92,809.92 and 38,966.08

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Solution

The fourth proportional to 67,244.80, 92,809.92 and 38,966.08 is: 53,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,244.80 : 92,809.92 = 38,966.08 : x
  2. Step 2: Convert to fraction form
    67,244.80/92,809.92 = 38,966.08/x
  3. Step 3: Cross multiply
    67,244.80x = 92,809.92 × 38,966.08
  4. Step 4: Simplify right side
    67,244.80x = 3,616,438,767.51
  5. Step 5: Solve for x
    x = 3,616,438,767.51/67,244.80
  6. Step 6: Final answer
    x = 53,780.20

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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.