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Finding the Fourth Proportional to 16,610.40, 24,785.46 and 16,513.20

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Solution

The fourth proportional to 16,610.40, 24,785.46 and 16,513.20 is: 24,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610.40 : 24,785.46 = 16,513.20 : x
  2. Step 2: Convert to fraction form
    16,610.40/24,785.46 = 16,513.20/x
  3. Step 3: Cross multiply
    16,610.40x = 24,785.46 × 16,513.20
  4. Step 4: Simplify right side
    16,610.40x = 409,287,258.07
  5. Step 5: Solve for x
    x = 409,287,258.07/16,610.40
  6. Step 6: Final answer
    x = 24,640.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.