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Finding the Fourth Proportional to 29,810.80, 44,719.28 and 8,750.76

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Solution

The fourth proportional to 29,810.80, 44,719.28 and 8,750.76 is: 13,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,810.80 : 44,719.28 = 8,750.76 : x
  2. Step 2: Convert to fraction form
    29,810.80/44,719.28 = 8,750.76/x
  3. Step 3: Cross multiply
    29,810.80x = 44,719.28 × 8,750.76
  4. Step 4: Simplify right side
    29,810.80x = 391,327,790.67
  5. Step 5: Solve for x
    x = 391,327,790.67/29,810.80
  6. Step 6: Final answer
    x = 13,127.05

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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.