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Finding the Fourth Proportional to 28,334, 42,500.98 and 13,497.96

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Solution

The fourth proportional to 28,334, 42,500.98 and 13,497.96 is: 20,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334 : 42,500.98 = 13,497.96 : x
  2. Step 2: Convert to fraction form
    28,334/42,500.98 = 13,497.96/x
  3. Step 3: Cross multiply
    28,334x = 42,500.98 × 13,497.96
  4. Step 4: Simplify right side
    28,334x = 573,676,528.00
  5. Step 5: Solve for x
    x = 573,676,528.00/28,334
  6. Step 6: Final answer
    x = 20,246.93

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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.