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Finding the Fourth Proportional to 67,664.60, 101,496.90 and 26,111.60

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Solution

The fourth proportional to 67,664.60, 101,496.90 and 26,111.60 is: 39,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,664.60 : 101,496.90 = 26,111.60 : x
  2. Step 2: Convert to fraction form
    67,664.60/101,496.90 = 26,111.60/x
  3. Step 3: Cross multiply
    67,664.60x = 101,496.90 × 26,111.60
  4. Step 4: Simplify right side
    67,664.60x = 2,650,246,454.04
  5. Step 5: Solve for x
    x = 2,650,246,454.04/67,664.60
  6. Step 6: Final answer
    x = 39,167.40

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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.