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Finding the Fourth Proportional to 8,547.96, 12,823.78 and 2,624.86

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Solution

The fourth proportional to 8,547.96, 12,823.78 and 2,624.86 is: 3,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.96 : 12,823.78 = 2,624.86 : x
  2. Step 2: Convert to fraction form
    8,547.96/12,823.78 = 2,624.86/x
  3. Step 3: Cross multiply
    8,547.96x = 12,823.78 × 2,624.86
  4. Step 4: Simplify right side
    8,547.96x = 33,660,627.17
  5. Step 5: Solve for x
    x = 33,660,627.17/8,547.96
  6. Step 6: Final answer
    x = 3,937.86

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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.