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Finding the Fourth Proportional to 51,791.52, 77,672.16 and 29,600.76

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Solution

The fourth proportional to 51,791.52, 77,672.16 and 29,600.76 is: 44,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791.52 : 77,672.16 = 29,600.76 : x
  2. Step 2: Convert to fraction form
    51,791.52/77,672.16 = 29,600.76/x
  3. Step 3: Cross multiply
    51,791.52x = 77,672.16 × 29,600.76
  4. Step 4: Simplify right side
    51,791.52x = 2,299,154,966.84
  5. Step 5: Solve for x
    x = 2,299,154,966.84/51,791.52
  6. Step 6: Final answer
    x = 44,392.50

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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.