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Finding the Fourth Proportional to 52,711.47, 79,256.88 and 48,601.76

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Solution

The fourth proportional to 52,711.47, 79,256.88 and 48,601.76 is: 73,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,711.47 : 79,256.88 = 48,601.76 : x
  2. Step 2: Convert to fraction form
    52,711.47/79,256.88 = 48,601.76/x
  3. Step 3: Cross multiply
    52,711.47x = 79,256.88 × 48,601.76
  4. Step 4: Simplify right side
    52,711.47x = 3,852,023,463.82
  5. Step 5: Solve for x
    x = 3,852,023,463.82/52,711.47
  6. Step 6: Final answer
    x = 73,077.52

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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.