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Finding the Fourth Proportional to 47,605.60, 65,699.84 and 26,391.52

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Solution

The fourth proportional to 47,605.60, 65,699.84 and 26,391.52 is: 36,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,605.60 : 65,699.84 = 26,391.52 : x
  2. Step 2: Convert to fraction form
    47,605.60/65,699.84 = 26,391.52/x
  3. Step 3: Cross multiply
    47,605.60x = 65,699.84 × 26,391.52
  4. Step 4: Simplify right side
    47,605.60x = 1,733,918,641.36
  5. Step 5: Solve for x
    x = 1,733,918,641.36/47,605.60
  6. Step 6: Final answer
    x = 36,422.58

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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.