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Finding the Fourth Proportional to 9,913.76, 14,826.48 and 8,995.04

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Solution

The fourth proportional to 9,913.76, 14,826.48 and 8,995.04 is: 13,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.76 : 14,826.48 = 8,995.04 : x
  2. Step 2: Convert to fraction form
    9,913.76/14,826.48 = 8,995.04/x
  3. Step 3: Cross multiply
    9,913.76x = 14,826.48 × 8,995.04
  4. Step 4: Simplify right side
    9,913.76x = 133,364,780.66
  5. Step 5: Solve for x
    x = 133,364,780.66/9,913.76
  6. Step 6: Final answer
    x = 13,452.49

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1.5x scale

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.