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Finding the Fourth Proportional to 65,909.08, 90,954.08 and 35,693.71

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Solution

The fourth proportional to 65,909.08, 90,954.08 and 35,693.71 is: 49,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,909.08 : 90,954.08 = 35,693.71 : x
  2. Step 2: Convert to fraction form
    65,909.08/90,954.08 = 35,693.71/x
  3. Step 3: Cross multiply
    65,909.08x = 90,954.08 × 35,693.71
  4. Step 4: Simplify right side
    65,909.08x = 3,246,488,490.06
  5. Step 5: Solve for x
    x = 3,246,488,490.06/65,909.08
  6. Step 6: Final answer
    x = 49,257.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.