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Finding the Fourth Proportional to 60,612.80, 90,950.34 and 26,901.90

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Solution

The fourth proportional to 60,612.80, 90,950.34 and 26,901.90 is: 40,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,612.80 : 90,950.34 = 26,901.90 : x
  2. Step 2: Convert to fraction form
    60,612.80/90,950.34 = 26,901.90/x
  3. Step 3: Cross multiply
    60,612.80x = 90,950.34 × 26,901.90
  4. Step 4: Simplify right side
    60,612.80x = 2,446,736,951.65
  5. Step 5: Solve for x
    x = 2,446,736,951.65/60,612.80
  6. Step 6: Final answer
    x = 40,366.67

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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.