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Finding the Fourth Proportional to 28,333.96, 42,500.88 and 13,497.88

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Solution

The fourth proportional to 28,333.96, 42,500.88 and 13,497.88 is: 20,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.96 : 42,500.88 = 13,497.88 : x
  2. Step 2: Convert to fraction form
    28,333.96/42,500.88 = 13,497.88/x
  3. Step 3: Cross multiply
    28,333.96x = 42,500.88 × 13,497.88
  4. Step 4: Simplify right side
    28,333.96x = 573,671,778.13
  5. Step 5: Solve for x
    x = 573,671,778.13/28,333.96
  6. Step 6: Final answer
    x = 20,246.79

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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.