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Finding the Fourth Proportional to 69,010.60, 103,515.90 and 48,015.40

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Solution

The fourth proportional to 69,010.60, 103,515.90 and 48,015.40 is: 72,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,010.60 : 103,515.90 = 48,015.40 : x
  2. Step 2: Convert to fraction form
    69,010.60/103,515.90 = 48,015.40/x
  3. Step 3: Cross multiply
    69,010.60x = 103,515.90 × 48,015.40
  4. Step 4: Simplify right side
    69,010.60x = 4,970,357,344.86
  5. Step 5: Solve for x
    x = 4,970,357,344.86/69,010.60
  6. Step 6: Final answer
    x = 72,023.10

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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.