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Finding the Fourth Proportional to 40,473.60, 55,846.80 and 22,564.68

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Solution

The fourth proportional to 40,473.60, 55,846.80 and 22,564.68 is: 31,135.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,473.60 : 55,846.80 = 22,564.68 : x
  2. Step 2: Convert to fraction form
    40,473.60/55,846.80 = 22,564.68/x
  3. Step 3: Cross multiply
    40,473.60x = 55,846.80 × 22,564.68
  4. Step 4: Simplify right side
    40,473.60x = 1,260,165,171.02
  5. Step 5: Solve for x
    x = 1,260,165,171.02/40,473.60
  6. Step 6: Final answer
    x = 31,135.49

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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.