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Finding the Fourth Proportional to 2,359.66, 3,538.68 and 899.24

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Solution

The fourth proportional to 2,359.66, 3,538.68 and 899.24 is: 1,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.66 : 3,538.68 = 899.24 : x
  2. Step 2: Convert to fraction form
    2,359.66/3,538.68 = 899.24/x
  3. Step 3: Cross multiply
    2,359.66x = 3,538.68 × 899.24
  4. Step 4: Simplify right side
    2,359.66x = 3,182,122.60
  5. Step 5: Solve for x
    x = 3,182,122.60/2,359.66
  6. Step 6: Final answer
    x = 1,348.55

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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.