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Finding the Fourth Proportional to 1,052.03, 1,451.70 and 579.92

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Solution

The fourth proportional to 1,052.03, 1,451.70 and 579.92 is: 800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.03 : 1,451.70 = 579.92 : x
  2. Step 2: Convert to fraction form
    1,052.03/1,451.70 = 579.92/x
  3. Step 3: Cross multiply
    1,052.03x = 1,451.70 × 579.92
  4. Step 4: Simplify right side
    1,052.03x = 841,869.86
  5. Step 5: Solve for x
    x = 841,869.86/1,052.03
  6. Step 6: Final answer
    x = 800.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.