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Finding the Fourth Proportional to 60,460.41, 90,690.83 and 18,340.86

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Solution

The fourth proportional to 60,460.41, 90,690.83 and 18,340.86 is: 27,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,460.41 : 90,690.83 = 18,340.86 : x
  2. Step 2: Convert to fraction form
    60,460.41/90,690.83 = 18,340.86/x
  3. Step 3: Cross multiply
    60,460.41x = 90,690.83 × 18,340.86
  4. Step 4: Simplify right side
    60,460.41x = 1,663,347,816.31
  5. Step 5: Solve for x
    x = 1,663,347,816.31/60,460.41
  6. Step 6: Final answer
    x = 27,511.36

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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.