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Finding the Fourth Proportional to 41,967.60, 62,929.80 and 15,658.80

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Solution

The fourth proportional to 41,967.60, 62,929.80 and 15,658.80 is: 23,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,967.60 : 62,929.80 = 15,658.80 : x
  2. Step 2: Convert to fraction form
    41,967.60/62,929.80 = 15,658.80/x
  3. Step 3: Cross multiply
    41,967.60x = 62,929.80 × 15,658.80
  4. Step 4: Simplify right side
    41,967.60x = 985,405,152.24
  5. Step 5: Solve for x
    x = 985,405,152.24/41,967.60
  6. Step 6: Final answer
    x = 23,480.14

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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.