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Finding the Fourth Proportional to 29,375.50, 44,065.56 and 8,315.20

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Solution

The fourth proportional to 29,375.50, 44,065.56 and 8,315.20 is: 12,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.50 : 44,065.56 = 8,315.20 : x
  2. Step 2: Convert to fraction form
    29,375.50/44,065.56 = 8,315.20/x
  3. Step 3: Cross multiply
    29,375.50x = 44,065.56 × 8,315.20
  4. Step 4: Simplify right side
    29,375.50x = 366,413,944.51
  5. Step 5: Solve for x
    x = 366,413,944.51/29,375.50
  6. Step 6: Final answer
    x = 12,473.45

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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.