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Finding the Fourth Proportional to 12,925.80, 19,367.10 and 6,337.80

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Solution

The fourth proportional to 12,925.80, 19,367.10 and 6,337.80 is: 9,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.80 : 19,367.10 = 6,337.80 : x
  2. Step 2: Convert to fraction form
    12,925.80/19,367.10 = 6,337.80/x
  3. Step 3: Cross multiply
    12,925.80x = 19,367.10 × 6,337.80
  4. Step 4: Simplify right side
    12,925.80x = 122,744,806.38
  5. Step 5: Solve for x
    x = 122,744,806.38/12,925.80
  6. Step 6: Final answer
    x = 9,496.11

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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.