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Finding the Fourth Proportional to 57,226.76, 85,838.52 and 15,673.76

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Solution

The fourth proportional to 57,226.76, 85,838.52 and 15,673.76 is: 23,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.76 : 85,838.52 = 15,673.76 : x
  2. Step 2: Convert to fraction form
    57,226.76/85,838.52 = 15,673.76/x
  3. Step 3: Cross multiply
    57,226.76x = 85,838.52 × 15,673.76
  4. Step 4: Simplify right side
    57,226.76x = 1,345,412,361.24
  5. Step 5: Solve for x
    x = 1,345,412,361.24/57,226.76
  6. Step 6: Final answer
    x = 23,510.20

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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.