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Finding the Fourth Proportional to 22,480.40, 31,026.03 and 13,048.96

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Solution

The fourth proportional to 22,480.40, 31,026.03 and 13,048.96 is: 18,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.40 : 31,026.03 = 13,048.96 : x
  2. Step 2: Convert to fraction form
    22,480.40/31,026.03 = 13,048.96/x
  3. Step 3: Cross multiply
    22,480.40x = 31,026.03 × 13,048.96
  4. Step 4: Simplify right side
    22,480.40x = 404,857,424.43
  5. Step 5: Solve for x
    x = 404,857,424.43/22,480.40
  6. Step 6: Final answer
    x = 18,009.35

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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.