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Finding the Fourth Proportional to 56,752.32, 85,098.24 and 21,671.76

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Solution

The fourth proportional to 56,752.32, 85,098.24 and 21,671.76 is: 32,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.32 : 85,098.24 = 21,671.76 : x
  2. Step 2: Convert to fraction form
    56,752.32/85,098.24 = 21,671.76/x
  3. Step 3: Cross multiply
    56,752.32x = 85,098.24 × 21,671.76
  4. Step 4: Simplify right side
    56,752.32x = 1,844,228,633.70
  5. Step 5: Solve for x
    x = 1,844,228,633.70/56,752.32
  6. Step 6: Final answer
    x = 32,496.09

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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.