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Finding the Fourth Proportional to 48,794.59, 67,329.41 and 28,657.96

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Solution

The fourth proportional to 48,794.59, 67,329.41 and 28,657.96 is: 39,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,794.59 : 67,329.41 = 28,657.96 : x
  2. Step 2: Convert to fraction form
    48,794.59/67,329.41 = 28,657.96/x
  3. Step 3: Cross multiply
    48,794.59x = 67,329.41 × 28,657.96
  4. Step 4: Simplify right side
    48,794.59x = 1,929,523,538.60
  5. Step 5: Solve for x
    x = 1,929,523,538.60/48,794.59
  6. Step 6: Final answer
    x = 39,543.80

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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.