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Finding the Fourth Proportional to 1,572.82, 2,359.33 and 532.98

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Solution

The fourth proportional to 1,572.82, 2,359.33 and 532.98 is: 799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.82 : 2,359.33 = 532.98 : x
  2. Step 2: Convert to fraction form
    1,572.82/2,359.33 = 532.98/x
  3. Step 3: Cross multiply
    1,572.82x = 2,359.33 × 532.98
  4. Step 4: Simplify right side
    1,572.82x = 1,257,474.37
  5. Step 5: Solve for x
    x = 1,257,474.37/1,572.82
  6. Step 6: Final answer
    x = 799.50

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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.