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Finding the Fourth Proportional to 72,034.55, 108,064.50 and 24,638.51

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Solution

The fourth proportional to 72,034.55, 108,064.50 and 24,638.51 is: 36,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,034.55 : 108,064.50 = 24,638.51 : x
  2. Step 2: Convert to fraction form
    72,034.55/108,064.50 = 24,638.51/x
  3. Step 3: Cross multiply
    72,034.55x = 108,064.50 × 24,638.51
  4. Step 4: Simplify right side
    72,034.55x = 2,662,548,441.66
  5. Step 5: Solve for x
    x = 2,662,548,441.66/72,034.55
  6. Step 6: Final answer
    x = 36,962.10

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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.