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Finding the Fourth Proportional to 65,995.69, 91,073.10 and 35,780.44

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Solution

The fourth proportional to 65,995.69, 91,073.10 and 35,780.44 is: 49,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,995.69 : 91,073.10 = 35,780.44 : x
  2. Step 2: Convert to fraction form
    65,995.69/91,073.10 = 35,780.44/x
  3. Step 3: Cross multiply
    65,995.69x = 91,073.10 × 35,780.44
  4. Step 4: Simplify right side
    65,995.69x = 3,258,635,590.16
  5. Step 5: Solve for x
    x = 3,258,635,590.16/65,995.69
  6. Step 6: Final answer
    x = 49,376.49

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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.