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Finding the Fourth Proportional to 29,996.98, 45,001.72 and 15,011.86

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Solution

The fourth proportional to 29,996.98, 45,001.72 and 15,011.86 is: 22,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,996.98 : 45,001.72 = 15,011.86 : x
  2. Step 2: Convert to fraction form
    29,996.98/45,001.72 = 15,011.86/x
  3. Step 3: Cross multiply
    29,996.98x = 45,001.72 × 15,011.86
  4. Step 4: Simplify right side
    29,996.98x = 675,559,520.40
  5. Step 5: Solve for x
    x = 675,559,520.40/29,996.98
  6. Step 6: Final answer
    x = 22,520.92

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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.