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Finding the Fourth Proportional to 1,593.60, 2,390.48 and 852.91

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Solution

The fourth proportional to 1,593.60, 2,390.48 and 852.91 is: 1,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.60 : 2,390.48 = 852.91 : x
  2. Step 2: Convert to fraction form
    1,593.60/2,390.48 = 852.91/x
  3. Step 3: Cross multiply
    1,593.60x = 2,390.48 × 852.91
  4. Step 4: Simplify right side
    1,593.60x = 2,038,864.30
  5. Step 5: Solve for x
    x = 2,038,864.30/1,593.60
  6. Step 6: Final answer
    x = 1,279.41

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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.