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Finding the Fourth Proportional to 8,603.96, 12,905.91 and 4,854.04

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Solution

The fourth proportional to 8,603.96, 12,905.91 and 4,854.04 is: 7,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.96 : 12,905.91 = 4,854.04 : x
  2. Step 2: Convert to fraction form
    8,603.96/12,905.91 = 4,854.04/x
  3. Step 3: Cross multiply
    8,603.96x = 12,905.91 × 4,854.04
  4. Step 4: Simplify right side
    8,603.96x = 62,645,752.91
  5. Step 5: Solve for x
    x = 62,645,752.91/8,603.96
  6. Step 6: Final answer
    x = 7,281.04

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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.