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Finding the Fourth Proportional to 22,283.87, 30,750.80 and 13,326.08

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Solution

The fourth proportional to 22,283.87, 30,750.80 and 13,326.08 is: 18,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.87 : 30,750.80 = 13,326.08 : x
  2. Step 2: Convert to fraction form
    22,283.87/30,750.80 = 13,326.08/x
  3. Step 3: Cross multiply
    22,283.87x = 30,750.80 × 13,326.08
  4. Step 4: Simplify right side
    22,283.87x = 409,787,400.48
  5. Step 5: Solve for x
    x = 409,787,400.48/22,283.87
  6. Step 6: Final answer
    x = 18,389.42

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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.