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Finding the Fourth Proportional to 49,812.56, 74,719.08 and 14,752.88

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Solution

The fourth proportional to 49,812.56, 74,719.08 and 14,752.88 is: 22,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,812.56 : 74,719.08 = 14,752.88 : x
  2. Step 2: Convert to fraction form
    49,812.56/74,719.08 = 14,752.88/x
  3. Step 3: Cross multiply
    49,812.56x = 74,719.08 × 14,752.88
  4. Step 4: Simplify right side
    49,812.56x = 1,102,321,620.95
  5. Step 5: Solve for x
    x = 1,102,321,620.95/49,812.56
  6. Step 6: Final answer
    x = 22,129.39

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1.5x scale

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.