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Finding the Fourth Proportional to 28,873.71, 43,306.92 and 10,152.99

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Solution

The fourth proportional to 28,873.71, 43,306.92 and 10,152.99 is: 15,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.71 : 43,306.92 = 10,152.99 : x
  2. Step 2: Convert to fraction form
    28,873.71/43,306.92 = 10,152.99/x
  3. Step 3: Cross multiply
    28,873.71x = 43,306.92 × 10,152.99
  4. Step 4: Simplify right side
    28,873.71x = 439,694,725.69
  5. Step 5: Solve for x
    x = 439,694,725.69/28,873.71
  6. Step 6: Final answer
    x = 15,228.20

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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.