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Finding the Fourth Proportional to 1,572.74, 2,359.17 and 532.67

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Solution

The fourth proportional to 1,572.74, 2,359.17 and 532.67 is: 799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.74 : 2,359.17 = 532.67 : x
  2. Step 2: Convert to fraction form
    1,572.74/2,359.17 = 532.67/x
  3. Step 3: Cross multiply
    1,572.74x = 2,359.17 × 532.67
  4. Step 4: Simplify right side
    1,572.74x = 1,256,647.29
  5. Step 5: Solve for x
    x = 1,256,647.29/1,572.74
  6. Step 6: Final answer
    x = 799.02

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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.