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Finding the Fourth Proportional to 4,459.87, 6,690.48 and 1,537.48

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Solution

The fourth proportional to 4,459.87, 6,690.48 and 1,537.48 is: 2,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.87 : 6,690.48 = 1,537.48 : x
  2. Step 2: Convert to fraction form
    4,459.87/6,690.48 = 1,537.48/x
  3. Step 3: Cross multiply
    4,459.87x = 6,690.48 × 1,537.48
  4. Step 4: Simplify right side
    4,459.87x = 10,286,479.19
  5. Step 5: Solve for x
    x = 10,286,479.19/4,459.87
  6. Step 6: Final answer
    x = 2,306.45

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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.