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Finding the Fourth Proportional to 66,877.78, 100,245.94 and 24,730.78

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Solution

The fourth proportional to 66,877.78, 100,245.94 and 24,730.78 is: 37,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,877.78 : 100,245.94 = 24,730.78 : x
  2. Step 2: Convert to fraction form
    66,877.78/100,245.94 = 24,730.78/x
  3. Step 3: Cross multiply
    66,877.78x = 100,245.94 × 24,730.78
  4. Step 4: Simplify right side
    66,877.78x = 2,479,160,288.03
  5. Step 5: Solve for x
    x = 2,479,160,288.03/66,877.78
  6. Step 6: Final answer
    x = 37,070.01

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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.