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Finding the Fourth Proportional to 60,523.60, 90,785.40 and 18,403.60

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Solution

The fourth proportional to 60,523.60, 90,785.40 and 18,403.60 is: 27,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,523.60 : 90,785.40 = 18,403.60 : x
  2. Step 2: Convert to fraction form
    60,523.60/90,785.40 = 18,403.60/x
  3. Step 3: Cross multiply
    60,523.60x = 90,785.40 × 18,403.60
  4. Step 4: Simplify right side
    60,523.60x = 1,670,778,187.44
  5. Step 5: Solve for x
    x = 1,670,778,187.44/60,523.60
  6. Step 6: Final answer
    x = 27,605.40

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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.