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Finding the Fourth Proportional to 22,283.64, 30,750.64 and 13,325.85

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Solution

The fourth proportional to 22,283.64, 30,750.64 and 13,325.85 is: 18,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.64 : 30,750.64 = 13,325.85 : x
  2. Step 2: Convert to fraction form
    22,283.64/30,750.64 = 13,325.85/x
  3. Step 3: Cross multiply
    22,283.64x = 30,750.64 × 13,325.85
  4. Step 4: Simplify right side
    22,283.64x = 409,778,382.73
  5. Step 5: Solve for x
    x = 409,778,382.73/22,283.64
  6. Step 6: Final answer
    x = 18,389.20

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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.