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Finding the Fourth Proportional to 1,625.76, 2,439.18 and 586.02

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Solution

The fourth proportional to 1,625.76, 2,439.18 and 586.02 is: 879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.76 : 2,439.18 = 586.02 : x
  2. Step 2: Convert to fraction form
    1,625.76/2,439.18 = 586.02/x
  3. Step 3: Cross multiply
    1,625.76x = 2,439.18 × 586.02
  4. Step 4: Simplify right side
    1,625.76x = 1,429,408.26
  5. Step 5: Solve for x
    x = 1,429,408.26/1,625.76
  6. Step 6: Final answer
    x = 879.22

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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.