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Finding the Fourth Proportional to 1,595.04, 2,392.97 and 621.42

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Solution

The fourth proportional to 1,595.04, 2,392.97 and 621.42 is: 932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.04 : 2,392.97 = 621.42 : x
  2. Step 2: Convert to fraction form
    1,595.04/2,392.97 = 621.42/x
  3. Step 3: Cross multiply
    1,595.04x = 2,392.97 × 621.42
  4. Step 4: Simplify right side
    1,595.04x = 1,487,036.31
  5. Step 5: Solve for x
    x = 1,487,036.31/1,595.04
  6. Step 6: Final answer
    x = 932.29

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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.