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Finding the Fourth Proportional to 38,314.40, 57,449.92 and 14,913.92

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Solution

The fourth proportional to 38,314.40, 57,449.92 and 14,913.92 is: 22,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.40 : 57,449.92 = 14,913.92 : x
  2. Step 2: Convert to fraction form
    38,314.40/57,449.92 = 14,913.92/x
  3. Step 3: Cross multiply
    38,314.40x = 57,449.92 × 14,913.92
  4. Step 4: Simplify right side
    38,314.40x = 856,803,510.89
  5. Step 5: Solve for x
    x = 856,803,510.89/38,314.40
  6. Step 6: Final answer
    x = 22,362.44

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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.