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Finding the Fourth Proportional to 48,291.22, 66,648.72 and 26,785.72

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Solution

The fourth proportional to 48,291.22, 66,648.72 and 26,785.72 is: 36,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291.22 : 66,648.72 = 26,785.72 : x
  2. Step 2: Convert to fraction form
    48,291.22/66,648.72 = 26,785.72/x
  3. Step 3: Cross multiply
    48,291.22x = 66,648.72 × 26,785.72
  4. Step 4: Simplify right side
    48,291.22x = 1,785,233,952.28
  5. Step 5: Solve for x
    x = 1,785,233,952.28/48,291.22
  6. Step 6: Final answer
    x = 36,968.09

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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.