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Finding the Fourth Proportional to 28,046.52, 42,066.90 and 14,884.92

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Solution

The fourth proportional to 28,046.52, 42,066.90 and 14,884.92 is: 22,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.52 : 42,066.90 = 14,884.92 : x
  2. Step 2: Convert to fraction form
    28,046.52/42,066.90 = 14,884.92/x
  3. Step 3: Cross multiply
    28,046.52x = 42,066.90 × 14,884.92
  4. Step 4: Simplify right side
    28,046.52x = 626,162,441.15
  5. Step 5: Solve for x
    x = 626,162,441.15/28,046.52
  6. Step 6: Final answer
    x = 22,325.85

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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.