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Finding the Fourth Proportional to 5,547.88, 8,322.30 and 1,443.88

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Solution

The fourth proportional to 5,547.88, 8,322.30 and 1,443.88 is: 2,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.88 : 8,322.30 = 1,443.88 : x
  2. Step 2: Convert to fraction form
    5,547.88/8,322.30 = 1,443.88/x
  3. Step 3: Cross multiply
    5,547.88x = 8,322.30 × 1,443.88
  4. Step 4: Simplify right side
    5,547.88x = 12,016,402.52
  5. Step 5: Solve for x
    x = 12,016,402.52/5,547.88
  6. Step 6: Final answer
    x = 2,165.94

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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.