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Finding the Fourth Proportional to 44,719.76, 67,075.52 and 15,134.20

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Solution

The fourth proportional to 44,719.76, 67,075.52 and 15,134.20 is: 22,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,719.76 : 67,075.52 = 15,134.20 : x
  2. Step 2: Convert to fraction form
    44,719.76/67,075.52 = 15,134.20/x
  3. Step 3: Cross multiply
    44,719.76x = 67,075.52 × 15,134.20
  4. Step 4: Simplify right side
    44,719.76x = 1,015,134,091.42
  5. Step 5: Solve for x
    x = 1,015,134,091.42/44,719.76
  6. Step 6: Final answer
    x = 22,699.90

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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.