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Finding the Fourth Proportional to 66,877.39, 100,440.96 and 58,874.98

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Solution

The fourth proportional to 66,877.39, 100,440.96 and 58,874.98 is: 88,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,877.39 : 100,440.96 = 58,874.98 : x
  2. Step 2: Convert to fraction form
    66,877.39/100,440.96 = 58,874.98/x
  3. Step 3: Cross multiply
    66,877.39x = 100,440.96 × 58,874.98
  4. Step 4: Simplify right side
    66,877.39x = 5,913,459,511.18
  5. Step 5: Solve for x
    x = 5,913,459,511.18/66,877.39
  6. Step 6: Final answer
    x = 88,422.40

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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.