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Finding the Fourth Proportional to 56,454.53, 84,685.70 and 16,472.88

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Solution

The fourth proportional to 56,454.53, 84,685.70 and 16,472.88 is: 24,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,454.53 : 84,685.70 = 16,472.88 : x
  2. Step 2: Convert to fraction form
    56,454.53/84,685.70 = 16,472.88/x
  3. Step 3: Cross multiply
    56,454.53x = 84,685.70 × 16,472.88
  4. Step 4: Simplify right side
    56,454.53x = 1,395,017,322.34
  5. Step 5: Solve for x
    x = 1,395,017,322.34/56,454.53
  6. Step 6: Final answer
    x = 24,710.46

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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.