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Finding the Fourth Proportional to 16,385.70, 24,578.55 and 7,030.20

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Solution

The fourth proportional to 16,385.70, 24,578.55 and 7,030.20 is: 10,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.70 : 24,578.55 = 7,030.20 : x
  2. Step 2: Convert to fraction form
    16,385.70/24,578.55 = 7,030.20/x
  3. Step 3: Cross multiply
    16,385.70x = 24,578.55 × 7,030.20
  4. Step 4: Simplify right side
    16,385.70x = 172,792,122.21
  5. Step 5: Solve for x
    x = 172,792,122.21/16,385.70
  6. Step 6: Final answer
    x = 10,545.30

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Similar ratio
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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.