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Finding the Fourth Proportional to 66,291.87, 99,462.42 and 26,876.67

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Solution

The fourth proportional to 66,291.87, 99,462.42 and 26,876.67 is: 40,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,291.87 : 99,462.42 = 26,876.67 : x
  2. Step 2: Convert to fraction form
    66,291.87/99,462.42 = 26,876.67/x
  3. Step 3: Cross multiply
    66,291.87x = 99,462.42 × 26,876.67
  4. Step 4: Simplify right side
    66,291.87x = 2,673,218,639.74
  5. Step 5: Solve for x
    x = 2,673,218,639.74/66,291.87
  6. Step 6: Final answer
    x = 40,324.98

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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.