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Finding the Fourth Proportional to 56,143.65, 84,170.76 and 32,424.21

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Solution

The fourth proportional to 56,143.65, 84,170.76 and 32,424.21 is: 48,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.65 : 84,170.76 = 32,424.21 : x
  2. Step 2: Convert to fraction form
    56,143.65/84,170.76 = 32,424.21/x
  3. Step 3: Cross multiply
    56,143.65x = 84,170.76 × 32,424.21
  4. Step 4: Simplify right side
    56,143.65x = 2,729,170,398.10
  5. Step 5: Solve for x
    x = 2,729,170,398.10/56,143.65
  6. Step 6: Final answer
    x = 48,610.49

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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.