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Finding the Fourth Proportional to 60,552.90, 90,818.86 and 18,422.77

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Solution

The fourth proportional to 60,552.90, 90,818.86 and 18,422.77 is: 27,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,552.90 : 90,818.86 = 18,422.77 : x
  2. Step 2: Convert to fraction form
    60,552.90/90,818.86 = 18,422.77/x
  3. Step 3: Cross multiply
    60,552.90x = 90,818.86 × 18,422.77
  4. Step 4: Simplify right side
    60,552.90x = 1,673,134,969.44
  5. Step 5: Solve for x
    x = 1,673,134,969.44/60,552.90
  6. Step 6: Final answer
    x = 27,630.97

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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.