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Finding the Fourth Proportional to 28,000.40, 41,957.40 and 24,285.20

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Solution

The fourth proportional to 28,000.40, 41,957.40 and 24,285.20 is: 36,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.40 : 41,957.40 = 24,285.20 : x
  2. Step 2: Convert to fraction form
    28,000.40/41,957.40 = 24,285.20/x
  3. Step 3: Cross multiply
    28,000.40x = 41,957.40 × 24,285.20
  4. Step 4: Simplify right side
    28,000.40x = 1,018,943,850.48
  5. Step 5: Solve for x
    x = 1,018,943,850.48/28,000.40
  6. Step 6: Final answer
    x = 36,390.33

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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.