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Finding the Fourth Proportional to 25,337.52, 38,033.01 and 20,710.80

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Solution

The fourth proportional to 25,337.52, 38,033.01 and 20,710.80 is: 31,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.52 : 38,033.01 = 20,710.80 : x
  2. Step 2: Convert to fraction form
    25,337.52/38,033.01 = 20,710.80/x
  3. Step 3: Cross multiply
    25,337.52x = 38,033.01 × 20,710.80
  4. Step 4: Simplify right side
    25,337.52x = 787,694,063.51
  5. Step 5: Solve for x
    x = 787,694,063.51/25,337.52
  6. Step 6: Final answer
    x = 31,088.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.