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Finding the Fourth Proportional to 1,595.10, 2,392.56 and 658.14

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Solution

The fourth proportional to 1,595.10, 2,392.56 and 658.14 is: 987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.10 : 2,392.56 = 658.14 : x
  2. Step 2: Convert to fraction form
    1,595.10/2,392.56 = 658.14/x
  3. Step 3: Cross multiply
    1,595.10x = 2,392.56 × 658.14
  4. Step 4: Simplify right side
    1,595.10x = 1,574,639.44
  5. Step 5: Solve for x
    x = 1,574,639.44/1,595.10
  6. Step 6: Final answer
    x = 987.17

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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.