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Finding the Fourth Proportional to 45,882.80, 68,737.80 and 23,620.40

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Solution

The fourth proportional to 45,882.80, 68,737.80 and 23,620.40 is: 35,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,882.80 : 68,737.80 = 23,620.40 : x
  2. Step 2: Convert to fraction form
    45,882.80/68,737.80 = 23,620.40/x
  3. Step 3: Cross multiply
    45,882.80x = 68,737.80 × 23,620.40
  4. Step 4: Simplify right side
    45,882.80x = 1,623,614,331.12
  5. Step 5: Solve for x
    x = 1,623,614,331.12/45,882.80
  6. Step 6: Final answer
    x = 35,386.12

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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.