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Finding the Fourth Proportional to 66,776.85, 100,204.62 and 24,686.67

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Solution

The fourth proportional to 66,776.85, 100,204.62 and 24,686.67 is: 37,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,776.85 : 100,204.62 = 24,686.67 : x
  2. Step 2: Convert to fraction form
    66,776.85/100,204.62 = 24,686.67/x
  3. Step 3: Cross multiply
    66,776.85x = 100,204.62 × 24,686.67
  4. Step 4: Simplify right side
    66,776.85x = 2,473,718,386.42
  5. Step 5: Solve for x
    x = 2,473,718,386.42/66,776.85
  6. Step 6: Final answer
    x = 37,044.55

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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.