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Finding the Fourth Proportional to 1,025.13, 1,536.48 and 591.39

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Solution

The fourth proportional to 1,025.13, 1,536.48 and 591.39 is: 886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.13 : 1,536.48 = 591.39 : x
  2. Step 2: Convert to fraction form
    1,025.13/1,536.48 = 591.39/x
  3. Step 3: Cross multiply
    1,025.13x = 1,536.48 × 591.39
  4. Step 4: Simplify right side
    1,025.13x = 908,658.91
  5. Step 5: Solve for x
    x = 908,658.91/1,025.13
  6. Step 6: Final answer
    x = 886.38

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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.