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Finding the Fourth Proportional to 16,862.58, 25,309.41 and 8,548.50

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Solution

The fourth proportional to 16,862.58, 25,309.41 and 8,548.50 is: 12,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.58 : 25,309.41 = 8,548.50 : x
  2. Step 2: Convert to fraction form
    16,862.58/25,309.41 = 8,548.50/x
  3. Step 3: Cross multiply
    16,862.58x = 25,309.41 × 8,548.50
  4. Step 4: Simplify right side
    16,862.58x = 216,357,491.39
  5. Step 5: Solve for x
    x = 216,357,491.39/16,862.58
  6. Step 6: Final answer
    x = 12,830.63

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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.