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Finding the Fourth Proportional to 66,874.80, 100,263.60 and 27,411.60

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Solution

The fourth proportional to 66,874.80, 100,263.60 and 27,411.60 is: 41,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,874.80 : 100,263.60 = 27,411.60 : x
  2. Step 2: Convert to fraction form
    66,874.80/100,263.60 = 27,411.60/x
  3. Step 3: Cross multiply
    66,874.80x = 100,263.60 × 27,411.60
  4. Step 4: Simplify right side
    66,874.80x = 2,748,385,697.76
  5. Step 5: Solve for x
    x = 2,748,385,697.76/66,874.80
  6. Step 6: Final answer
    x = 41,097.48

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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.