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Finding the Fourth Proportional to 47,230, 65,177.40 and 26,009.22

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Solution

The fourth proportional to 47,230, 65,177.40 and 26,009.22 is: 35,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,230 : 65,177.40 = 26,009.22 : x
  2. Step 2: Convert to fraction form
    47,230/65,177.40 = 26,009.22/x
  3. Step 3: Cross multiply
    47,230x = 65,177.40 × 26,009.22
  4. Step 4: Simplify right side
    47,230x = 1,695,213,335.63
  5. Step 5: Solve for x
    x = 1,695,213,335.63/47,230
  6. Step 6: Final answer
    x = 35,892.72

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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.