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Finding the Fourth Proportional to 22,305.99, 33,448.38 and 12,948.87

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Solution

The fourth proportional to 22,305.99, 33,448.38 and 12,948.87 is: 19,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.99 : 33,448.38 = 12,948.87 : x
  2. Step 2: Convert to fraction form
    22,305.99/33,448.38 = 12,948.87/x
  3. Step 3: Cross multiply
    22,305.99x = 33,448.38 × 12,948.87
  4. Step 4: Simplify right side
    22,305.99x = 433,118,724.33
  5. Step 5: Solve for x
    x = 433,118,724.33/22,305.99
  6. Step 6: Final answer
    x = 19,417.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.