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Finding the Fourth Proportional to 29,275.76, 43,919.76 and 9,555.44

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Solution

The fourth proportional to 29,275.76, 43,919.76 and 9,555.44 is: 14,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,275.76 : 43,919.76 = 9,555.44 : x
  2. Step 2: Convert to fraction form
    29,275.76/43,919.76 = 9,555.44/x
  3. Step 3: Cross multiply
    29,275.76x = 43,919.76 × 9,555.44
  4. Step 4: Simplify right side
    29,275.76x = 419,672,631.49
  5. Step 5: Solve for x
    x = 419,672,631.49/29,275.76
  6. Step 6: Final answer
    x = 14,335.16

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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.