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Finding the Fourth Proportional to 8,015.88, 12,046.50 and 4,730.52

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Solution

The fourth proportional to 8,015.88, 12,046.50 and 4,730.52 is: 7,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.88 : 12,046.50 = 4,730.52 : x
  2. Step 2: Convert to fraction form
    8,015.88/12,046.50 = 4,730.52/x
  3. Step 3: Cross multiply
    8,015.88x = 12,046.50 × 4,730.52
  4. Step 4: Simplify right side
    8,015.88x = 56,986,209.18
  5. Step 5: Solve for x
    x = 56,986,209.18/8,015.88
  6. Step 6: Final answer
    x = 7,109.16

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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.