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Finding the Fourth Proportional to 67,034.40, 100,550.79 and 17,113.92

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Solution

The fourth proportional to 67,034.40, 100,550.79 and 17,113.92 is: 25,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,034.40 : 100,550.79 = 17,113.92 : x
  2. Step 2: Convert to fraction form
    67,034.40/100,550.79 = 17,113.92/x
  3. Step 3: Cross multiply
    67,034.40x = 100,550.79 × 17,113.92
  4. Step 4: Simplify right side
    67,034.40x = 1,720,818,176.00
  5. Step 5: Solve for x
    x = 1,720,818,176.00/67,034.40
  6. Step 6: Final answer
    x = 25,670.67

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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.