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Finding the Fourth Proportional to 47,309.97, 65,287.71 and 25,799.76

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Solution

The fourth proportional to 47,309.97, 65,287.71 and 25,799.76 is: 35,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309.97 : 65,287.71 = 25,799.76 : x
  2. Step 2: Convert to fraction form
    47,309.97/65,287.71 = 25,799.76/x
  3. Step 3: Cross multiply
    47,309.97x = 65,287.71 × 25,799.76
  4. Step 4: Simplify right side
    47,309.97x = 1,684,406,878.56
  5. Step 5: Solve for x
    x = 1,684,406,878.56/47,309.97
  6. Step 6: Final answer
    x = 35,603.64

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1.5x scale

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.