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Finding the Fourth Proportional to 40,693.40, 56,150.40 and 22,789.16

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Solution

The fourth proportional to 40,693.40, 56,150.40 and 22,789.16 is: 31,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,693.40 : 56,150.40 = 22,789.16 : x
  2. Step 2: Convert to fraction form
    40,693.40/56,150.40 = 22,789.16/x
  3. Step 3: Cross multiply
    40,693.40x = 56,150.40 × 22,789.16
  4. Step 4: Simplify right side
    40,693.40x = 1,279,620,449.66
  5. Step 5: Solve for x
    x = 1,279,620,449.66/40,693.40
  6. Step 6: Final answer
    x = 31,445.41

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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.