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Finding the Fourth Proportional to 1,801.64, 2,707.32 and 1,575.92

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Solution

The fourth proportional to 1,801.64, 2,707.32 and 1,575.92 is: 2,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.64 : 2,707.32 = 1,575.92 : x
  2. Step 2: Convert to fraction form
    1,801.64/2,707.32 = 1,575.92/x
  3. Step 3: Cross multiply
    1,801.64x = 2,707.32 × 1,575.92
  4. Step 4: Simplify right side
    1,801.64x = 4,266,519.73
  5. Step 5: Solve for x
    x = 4,266,519.73/1,801.64
  6. Step 6: Final answer
    x = 2,368.13

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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.