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Finding the Fourth Proportional to 10,002.88, 15,001.08 and 4,737.08

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Solution

The fourth proportional to 10,002.88, 15,001.08 and 4,737.08 is: 7,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.88 : 15,001.08 = 4,737.08 : x
  2. Step 2: Convert to fraction form
    10,002.88/15,001.08 = 4,737.08/x
  3. Step 3: Cross multiply
    10,002.88x = 15,001.08 × 4,737.08
  4. Step 4: Simplify right side
    10,002.88x = 71,061,316.05
  5. Step 5: Solve for x
    x = 71,061,316.05/10,002.88
  6. Step 6: Final answer
    x = 7,104.09

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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.