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Finding the Fourth Proportional to 29,394.21, 40,540.54 and 19,332.98

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Solution

The fourth proportional to 29,394.21, 40,540.54 and 19,332.98 is: 26,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,394.21 : 40,540.54 = 19,332.98 : x
  2. Step 2: Convert to fraction form
    29,394.21/40,540.54 = 19,332.98/x
  3. Step 3: Cross multiply
    29,394.21x = 40,540.54 × 19,332.98
  4. Step 4: Simplify right side
    29,394.21x = 783,769,449.01
  5. Step 5: Solve for x
    x = 783,769,449.01/29,394.21
  6. Step 6: Final answer
    x = 26,664.08

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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.