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Finding the Fourth Proportional to 41,693.40, 62,564.40 and 15,400.80

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Solution

The fourth proportional to 41,693.40, 62,564.40 and 15,400.80 is: 23,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,693.40 : 62,564.40 = 15,400.80 : x
  2. Step 2: Convert to fraction form
    41,693.40/62,564.40 = 15,400.80/x
  3. Step 3: Cross multiply
    41,693.40x = 62,564.40 × 15,400.80
  4. Step 4: Simplify right side
    41,693.40x = 963,541,811.52
  5. Step 5: Solve for x
    x = 963,541,811.52/41,693.40
  6. Step 6: Final answer
    x = 23,110.18

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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.