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Finding the Fourth Proportional to 48,785, 67,297.38 and 32,842.28

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Solution

The fourth proportional to 48,785, 67,297.38 and 32,842.28 is: 45,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,785 : 67,297.38 = 32,842.28 : x
  2. Step 2: Convert to fraction form
    48,785/67,297.38 = 32,842.28/x
  3. Step 3: Cross multiply
    48,785x = 67,297.38 × 32,842.28
  4. Step 4: Simplify right side
    48,785x = 2,210,199,397.23
  5. Step 5: Solve for x
    x = 2,210,199,397.23/48,785
  6. Step 6: Final answer
    x = 45,304.90

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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.