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Finding the Fourth Proportional to 8,854.15, 13,275.07 and 3,306

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Solution

The fourth proportional to 8,854.15, 13,275.07 and 3,306 is: 4,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.15 : 13,275.07 = 3,306 : x
  2. Step 2: Convert to fraction form
    8,854.15/13,275.07 = 3,306/x
  3. Step 3: Cross multiply
    8,854.15x = 13,275.07 × 3,306
  4. Step 4: Simplify right side
    8,854.15x = 43,887,381.42
  5. Step 5: Solve for x
    x = 43,887,381.42/8,854.15
  6. Step 6: Final answer
    x = 4,956.70

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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.