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Finding the Fourth Proportional to 66,276.96, 99,412.72 and 26,834.40

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Solution

The fourth proportional to 66,276.96, 99,412.72 and 26,834.40 is: 40,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.96 : 99,412.72 = 26,834.40 : x
  2. Step 2: Convert to fraction form
    66,276.96/99,412.72 = 26,834.40/x
  3. Step 3: Cross multiply
    66,276.96x = 99,412.72 × 26,834.40
  4. Step 4: Simplify right side
    66,276.96x = 2,667,680,693.57
  5. Step 5: Solve for x
    x = 2,667,680,693.57/66,276.96
  6. Step 6: Final answer
    x = 40,250.50

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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.