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Finding the Fourth Proportional to 16,659.40, 24,992.52 and 4,973.20

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Solution

The fourth proportional to 16,659.40, 24,992.52 and 4,973.20 is: 7,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.40 : 24,992.52 = 4,973.20 : x
  2. Step 2: Convert to fraction form
    16,659.40/24,992.52 = 4,973.20/x
  3. Step 3: Cross multiply
    16,659.40x = 24,992.52 × 4,973.20
  4. Step 4: Simplify right side
    16,659.40x = 124,292,800.46
  5. Step 5: Solve for x
    x = 124,292,800.46/16,659.40
  6. Step 6: Final answer
    x = 7,460.82

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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.