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Finding the Fourth Proportional to 67,626.40, 101,522.80 and 42,666.40

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Solution

The fourth proportional to 67,626.40, 101,522.80 and 42,666.40 is: 64,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,626.40 : 101,522.80 = 42,666.40 : x
  2. Step 2: Convert to fraction form
    67,626.40/101,522.80 = 42,666.40/x
  3. Step 3: Cross multiply
    67,626.40x = 101,522.80 × 42,666.40
  4. Step 4: Simplify right side
    67,626.40x = 4,331,612,393.92
  5. Step 5: Solve for x
    x = 4,331,612,393.92/67,626.40
  6. Step 6: Final answer
    x = 64,052.09

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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.