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Finding the Fourth Proportional to 6,339.71, 8,749.17 and 4,547.73

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Solution

The fourth proportional to 6,339.71, 8,749.17 and 4,547.73 is: 6,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.71 : 8,749.17 = 4,547.73 : x
  2. Step 2: Convert to fraction form
    6,339.71/8,749.17 = 4,547.73/x
  3. Step 3: Cross multiply
    6,339.71x = 8,749.17 × 4,547.73
  4. Step 4: Simplify right side
    6,339.71x = 39,788,862.88
  5. Step 5: Solve for x
    x = 39,788,862.88/6,339.71
  6. Step 6: Final answer
    x = 6,276.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.