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Finding the Fourth Proportional to 32,428.76, 48,320.76 and 28,891.59

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Solution

The fourth proportional to 32,428.76, 48,320.76 and 28,891.59 is: 43,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.76 : 48,320.76 = 28,891.59 : x
  2. Step 2: Convert to fraction form
    32,428.76/48,320.76 = 28,891.59/x
  3. Step 3: Cross multiply
    32,428.76x = 48,320.76 × 28,891.59
  4. Step 4: Simplify right side
    32,428.76x = 1,396,063,586.41
  5. Step 5: Solve for x
    x = 1,396,063,586.41/32,428.76
  6. Step 6: Final answer
    x = 43,050.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.