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Finding the Fourth Proportional to 29,480.55, 40,681.87 and 16,051.86

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Solution

The fourth proportional to 29,480.55, 40,681.87 and 16,051.86 is: 22,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,480.55 : 40,681.87 = 16,051.86 : x
  2. Step 2: Convert to fraction form
    29,480.55/40,681.87 = 16,051.86/x
  3. Step 3: Cross multiply
    29,480.55x = 40,681.87 × 16,051.86
  4. Step 4: Simplify right side
    29,480.55x = 653,019,681.78
  5. Step 5: Solve for x
    x = 653,019,681.78/29,480.55
  6. Step 6: Final answer
    x = 22,150.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.