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Finding the Fourth Proportional to 25,030.62, 37,545.93 and 8,385.93

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Solution

The fourth proportional to 25,030.62, 37,545.93 and 8,385.93 is: 12,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,030.62 : 37,545.93 = 8,385.93 : x
  2. Step 2: Convert to fraction form
    25,030.62/37,545.93 = 8,385.93/x
  3. Step 3: Cross multiply
    25,030.62x = 37,545.93 × 8,385.93
  4. Step 4: Simplify right side
    25,030.62x = 314,857,540.76
  5. Step 5: Solve for x
    x = 314,857,540.76/25,030.62
  6. Step 6: Final answer
    x = 12,578.90

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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.