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Finding the Fourth Proportional to 25,737.39, 38,602.02 and 9,940.08

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Solution

The fourth proportional to 25,737.39, 38,602.02 and 9,940.08 is: 14,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,737.39 : 38,602.02 = 9,940.08 : x
  2. Step 2: Convert to fraction form
    25,737.39/38,602.02 = 9,940.08/x
  3. Step 3: Cross multiply
    25,737.39x = 38,602.02 × 9,940.08
  4. Step 4: Simplify right side
    25,737.39x = 383,707,166.96
  5. Step 5: Solve for x
    x = 383,707,166.96/25,737.39
  6. Step 6: Final answer
    x = 14,908.55

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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.