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Finding the Fourth Proportional to 15,006.54, 22,509.82 and 3,913.20

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Solution

The fourth proportional to 15,006.54, 22,509.82 and 3,913.20 is: 5,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.54 : 22,509.82 = 3,913.20 : x
  2. Step 2: Convert to fraction form
    15,006.54/22,509.82 = 3,913.20/x
  3. Step 3: Cross multiply
    15,006.54x = 22,509.82 × 3,913.20
  4. Step 4: Simplify right side
    15,006.54x = 88,085,427.62
  5. Step 5: Solve for x
    x = 88,085,427.62/15,006.54
  6. Step 6: Final answer
    x = 5,869.80

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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.