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Finding the Fourth Proportional to 56,380.28, 84,575.40 and 14,827.28

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Solution

The fourth proportional to 56,380.28, 84,575.40 and 14,827.28 is: 22,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,380.28 : 84,575.40 = 14,827.28 : x
  2. Step 2: Convert to fraction form
    56,380.28/84,575.40 = 14,827.28/x
  3. Step 3: Cross multiply
    56,380.28x = 84,575.40 × 14,827.28
  4. Step 4: Simplify right side
    56,380.28x = 1,254,023,136.91
  5. Step 5: Solve for x
    x = 1,254,023,136.91/56,380.28
  6. Step 6: Final answer
    x = 22,242.23

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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.