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Finding the Fourth Proportional to 14,720.44, 22,077.42 and 5,359

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Solution

The fourth proportional to 14,720.44, 22,077.42 and 5,359 is: 8,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.44 : 22,077.42 = 5,359 : x
  2. Step 2: Convert to fraction form
    14,720.44/22,077.42 = 5,359/x
  3. Step 3: Cross multiply
    14,720.44x = 22,077.42 × 5,359
  4. Step 4: Simplify right side
    14,720.44x = 118,312,893.78
  5. Step 5: Solve for x
    x = 118,312,893.78/14,720.44
  6. Step 6: Final answer
    x = 8,037.32

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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.