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Finding the Fourth Proportional to 60,953.76, 84,122.52 and 35,113.20

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Solution

The fourth proportional to 60,953.76, 84,122.52 and 35,113.20 is: 48,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,953.76 : 84,122.52 = 35,113.20 : x
  2. Step 2: Convert to fraction form
    60,953.76/84,122.52 = 35,113.20/x
  3. Step 3: Cross multiply
    60,953.76x = 84,122.52 × 35,113.20
  4. Step 4: Simplify right side
    60,953.76x = 2,953,811,205.98
  5. Step 5: Solve for x
    x = 2,953,811,205.98/60,953.76
  6. Step 6: Final answer
    x = 48,459.87

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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.