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Finding the Fourth Proportional to 34,671.69, 47,873.57 and 28,737.63

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Solution

The fourth proportional to 34,671.69, 47,873.57 and 28,737.63 is: 39,680.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,671.69 : 47,873.57 = 28,737.63 : x
  2. Step 2: Convert to fraction form
    34,671.69/47,873.57 = 28,737.63/x
  3. Step 3: Cross multiply
    34,671.69x = 47,873.57 × 28,737.63
  4. Step 4: Simplify right side
    34,671.69x = 1,375,772,797.75
  5. Step 5: Solve for x
    x = 1,375,772,797.75/34,671.69
  6. Step 6: Final answer
    x = 39,680.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.