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Finding the Fourth Proportional to 71,447.67, 107,085.54 and 26,433.13

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Solution

The fourth proportional to 71,447.67, 107,085.54 and 26,433.13 is: 39,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,447.67 : 107,085.54 = 26,433.13 : x
  2. Step 2: Convert to fraction form
    71,447.67/107,085.54 = 26,433.13/x
  3. Step 3: Cross multiply
    71,447.67x = 107,085.54 × 26,433.13
  4. Step 4: Simplify right side
    71,447.67x = 2,830,605,867.77
  5. Step 5: Solve for x
    x = 2,830,605,867.77/71,447.67
  6. Step 6: Final answer
    x = 39,617.89

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1.5x scale

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.