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Finding the Fourth Proportional to 69,069.86, 103,600.10 and 26,942.16

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Solution

The fourth proportional to 69,069.86, 103,600.10 and 26,942.16 is: 40,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.86 : 103,600.10 = 26,942.16 : x
  2. Step 2: Convert to fraction form
    69,069.86/103,600.10 = 26,942.16/x
  3. Step 3: Cross multiply
    69,069.86x = 103,600.10 × 26,942.16
  4. Step 4: Simplify right side
    69,069.86x = 2,791,210,470.22
  5. Step 5: Solve for x
    x = 2,791,210,470.22/69,069.86
  6. Step 6: Final answer
    x = 40,411.41

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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.