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Finding the Fourth Proportional to 47,407.92, 65,422.92 and 26,187.18

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Solution

The fourth proportional to 47,407.92, 65,422.92 and 26,187.18 is: 36,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,407.92 : 65,422.92 = 26,187.18 : x
  2. Step 2: Convert to fraction form
    47,407.92/65,422.92 = 26,187.18/x
  3. Step 3: Cross multiply
    47,407.92x = 65,422.92 × 26,187.18
  4. Step 4: Simplify right side
    47,407.92x = 1,713,242,003.04
  5. Step 5: Solve for x
    x = 1,713,242,003.04/47,407.92
  6. Step 6: Final answer
    x = 36,138.31

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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.