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Finding the Fourth Proportional to 15,996.59, 22,070.85 and 10,331.57

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Solution

The fourth proportional to 15,996.59, 22,070.85 and 10,331.57 is: 14,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.59 : 22,070.85 = 10,331.57 : x
  2. Step 2: Convert to fraction form
    15,996.59/22,070.85 = 10,331.57/x
  3. Step 3: Cross multiply
    15,996.59x = 22,070.85 × 10,331.57
  4. Step 4: Simplify right side
    15,996.59x = 228,026,421.38
  5. Step 5: Solve for x
    x = 228,026,421.38/15,996.59
  6. Step 6: Final answer
    x = 14,254.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.