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Finding the Fourth Proportional to 5,008.88, 7,513.08 and 1,545.68

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Solution

The fourth proportional to 5,008.88, 7,513.08 and 1,545.68 is: 2,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.88 : 7,513.08 = 1,545.68 : x
  2. Step 2: Convert to fraction form
    5,008.88/7,513.08 = 1,545.68/x
  3. Step 3: Cross multiply
    5,008.88x = 7,513.08 × 1,545.68
  4. Step 4: Simplify right side
    5,008.88x = 11,612,817.49
  5. Step 5: Solve for x
    x = 11,612,817.49/5,008.88
  6. Step 6: Final answer
    x = 2,318.45

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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.