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Finding the Fourth Proportional to 66,952.66, 100,424.86 and 27,508.76

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Solution

The fourth proportional to 66,952.66, 100,424.86 and 27,508.76 is: 41,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,952.66 : 100,424.86 = 27,508.76 : x
  2. Step 2: Convert to fraction form
    66,952.66/100,424.86 = 27,508.76/x
  3. Step 3: Cross multiply
    66,952.66x = 100,424.86 × 27,508.76
  4. Step 4: Simplify right side
    66,952.66x = 2,762,563,371.77
  5. Step 5: Solve for x
    x = 2,762,563,371.77/66,952.66
  6. Step 6: Final answer
    x = 41,261.44

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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.