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Finding the Fourth Proportional to 47,112.64, 70,624.64 and 15,926.08

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Solution

The fourth proportional to 47,112.64, 70,624.64 and 15,926.08 is: 23,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.64 : 70,624.64 = 15,926.08 : x
  2. Step 2: Convert to fraction form
    47,112.64/70,624.64 = 15,926.08/x
  3. Step 3: Cross multiply
    47,112.64x = 70,624.64 × 15,926.08
  4. Step 4: Simplify right side
    47,112.64x = 1,124,773,666.61
  5. Step 5: Solve for x
    x = 1,124,773,666.61/47,112.64
  6. Step 6: Final answer
    x = 23,874.14

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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.