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Finding the Fourth Proportional to 16,774.40, 25,030.40 and 16,659.20

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Solution

The fourth proportional to 16,774.40, 25,030.40 and 16,659.20 is: 24,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.40 : 25,030.40 = 16,659.20 : x
  2. Step 2: Convert to fraction form
    16,774.40/25,030.40 = 16,659.20/x
  3. Step 3: Cross multiply
    16,774.40x = 25,030.40 × 16,659.20
  4. Step 4: Simplify right side
    16,774.40x = 416,986,439.68
  5. Step 5: Solve for x
    x = 416,986,439.68/16,774.40
  6. Step 6: Final answer
    x = 24,858.50

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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.