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Finding the Fourth Proportional to 67,491.52, 101,165.28 and 34,236.16

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Solution

The fourth proportional to 67,491.52, 101,165.28 and 34,236.16 is: 51,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,491.52 : 101,165.28 = 34,236.16 : x
  2. Step 2: Convert to fraction form
    67,491.52/101,165.28 = 34,236.16/x
  3. Step 3: Cross multiply
    67,491.52x = 101,165.28 × 34,236.16
  4. Step 4: Simplify right side
    67,491.52x = 3,463,510,712.52
  5. Step 5: Solve for x
    x = 3,463,510,712.52/67,491.52
  6. Step 6: Final answer
    x = 51,317.72

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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.