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Finding the Fourth Proportional to 48,865.78, 67,397.87 and 33,783.68

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Solution

The fourth proportional to 48,865.78, 67,397.87 and 33,783.68 is: 46,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,865.78 : 67,397.87 = 33,783.68 : x
  2. Step 2: Convert to fraction form
    48,865.78/67,397.87 = 33,783.68/x
  3. Step 3: Cross multiply
    48,865.78x = 67,397.87 × 33,783.68
  4. Step 4: Simplify right side
    48,865.78x = 2,276,948,325.72
  5. Step 5: Solve for x
    x = 2,276,948,325.72/48,865.78
  6. Step 6: Final answer
    x = 46,595.97

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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.