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Finding the Fourth Proportional to 10,540.90, 14,545.87 and 5,824.88

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Solution

The fourth proportional to 10,540.90, 14,545.87 and 5,824.88 is: 8,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.90 : 14,545.87 = 5,824.88 : x
  2. Step 2: Convert to fraction form
    10,540.90/14,545.87 = 5,824.88/x
  3. Step 3: Cross multiply
    10,540.90x = 14,545.87 × 5,824.88
  4. Step 4: Simplify right side
    10,540.90x = 84,727,947.25
  5. Step 5: Solve for x
    x = 84,727,947.25/10,540.90
  6. Step 6: Final answer
    x = 8,038.02

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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.