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Finding the Fourth Proportional to 14,566.69, 20,102.48 and 8,603.47

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Solution

The fourth proportional to 14,566.69, 20,102.48 and 8,603.47 is: 11,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566.69 : 20,102.48 = 8,603.47 : x
  2. Step 2: Convert to fraction form
    14,566.69/20,102.48 = 8,603.47/x
  3. Step 3: Cross multiply
    14,566.69x = 20,102.48 × 8,603.47
  4. Step 4: Simplify right side
    14,566.69x = 172,951,083.61
  5. Step 5: Solve for x
    x = 172,951,083.61/14,566.69
  6. Step 6: Final answer
    x = 11,873.05

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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.