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Finding the Fourth Proportional to 16,695.12, 25,045.13 and 5,009.25

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Solution

The fourth proportional to 16,695.12, 25,045.13 and 5,009.25 is: 7,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.12 : 25,045.13 = 5,009.25 : x
  2. Step 2: Convert to fraction form
    16,695.12/25,045.13 = 5,009.25/x
  3. Step 3: Cross multiply
    16,695.12x = 25,045.13 × 5,009.25
  4. Step 4: Simplify right side
    16,695.12x = 125,457,317.45
  5. Step 5: Solve for x
    x = 125,457,317.45/16,695.12
  6. Step 6: Final answer
    x = 7,514.61

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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.