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Finding the Fourth Proportional to 47,305, 70,955.52 and 11,766.34

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Solution

The fourth proportional to 47,305, 70,955.52 and 11,766.34 is: 17,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,305 : 70,955.52 = 11,766.34 : x
  2. Step 2: Convert to fraction form
    47,305/70,955.52 = 11,766.34/x
  3. Step 3: Cross multiply
    47,305x = 70,955.52 × 11,766.34
  4. Step 4: Simplify right side
    47,305x = 834,886,773.20
  5. Step 5: Solve for x
    x = 834,886,773.20/47,305
  6. Step 6: Final answer
    x = 17,649.02

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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.