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Finding the Fourth Proportional to 29,101.40, 43,653.66 and 8,325.40

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Solution

The fourth proportional to 29,101.40, 43,653.66 and 8,325.40 is: 12,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,101.40 : 43,653.66 = 8,325.40 : x
  2. Step 2: Convert to fraction form
    29,101.40/43,653.66 = 8,325.40/x
  3. Step 3: Cross multiply
    29,101.40x = 43,653.66 × 8,325.40
  4. Step 4: Simplify right side
    29,101.40x = 363,434,180.96
  5. Step 5: Solve for x
    x = 363,434,180.96/29,101.40
  6. Step 6: Final answer
    x = 12,488.55

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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.