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Finding the Fourth Proportional to 60,672.60, 90,992.70 and 18,552.60

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Solution

The fourth proportional to 60,672.60, 90,992.70 and 18,552.60 is: 27,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,672.60 : 90,992.70 = 18,552.60 : x
  2. Step 2: Convert to fraction form
    60,672.60/90,992.70 = 18,552.60/x
  3. Step 3: Cross multiply
    60,672.60x = 90,992.70 × 18,552.60
  4. Step 4: Simplify right side
    60,672.60x = 1,688,151,166.02
  5. Step 5: Solve for x
    x = 1,688,151,166.02/60,672.60
  6. Step 6: Final answer
    x = 27,823.95

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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.