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Finding the Fourth Proportional to 10,699.47, 16,051.22 and 4,856.49

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Solution

The fourth proportional to 10,699.47, 16,051.22 and 4,856.49 is: 7,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.47 : 16,051.22 = 4,856.49 : x
  2. Step 2: Convert to fraction form
    10,699.47/16,051.22 = 4,856.49/x
  3. Step 3: Cross multiply
    10,699.47x = 16,051.22 × 4,856.49
  4. Step 4: Simplify right side
    10,699.47x = 77,952,565.14
  5. Step 5: Solve for x
    x = 77,952,565.14/10,699.47
  6. Step 6: Final answer
    x = 7,285.65

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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.