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Finding the Fourth Proportional to 1,052.59, 1,579.86 and 532.95

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Solution

The fourth proportional to 1,052.59, 1,579.86 and 532.95 is: 799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.59 : 1,579.86 = 532.95 : x
  2. Step 2: Convert to fraction form
    1,052.59/1,579.86 = 532.95/x
  3. Step 3: Cross multiply
    1,052.59x = 1,579.86 × 532.95
  4. Step 4: Simplify right side
    1,052.59x = 841,989.14
  5. Step 5: Solve for x
    x = 841,989.14/1,052.59
  6. Step 6: Final answer
    x = 799.92

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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.