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Finding the Fourth Proportional to 29,288.33, 43,931.48 and 8,228.33

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Solution

The fourth proportional to 29,288.33, 43,931.48 and 8,228.33 is: 12,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.33 : 43,931.48 = 8,228.33 : x
  2. Step 2: Convert to fraction form
    29,288.33/43,931.48 = 8,228.33/x
  3. Step 3: Cross multiply
    29,288.33x = 43,931.48 × 8,228.33
  4. Step 4: Simplify right side
    29,288.33x = 361,482,454.03
  5. Step 5: Solve for x
    x = 361,482,454.03/29,288.33
  6. Step 6: Final answer
    x = 12,342.20

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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.