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Finding the Fourth Proportional to 43,357.97, 64,968.92 and 25,818.23

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Solution

The fourth proportional to 43,357.97, 64,968.92 and 25,818.23 is: 38,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.97 : 64,968.92 = 25,818.23 : x
  2. Step 2: Convert to fraction form
    43,357.97/64,968.92 = 25,818.23/x
  3. Step 3: Cross multiply
    43,357.97x = 64,968.92 × 25,818.23
  4. Step 4: Simplify right side
    43,357.97x = 1,677,382,390.32
  5. Step 5: Solve for x
    x = 1,677,382,390.32/43,357.97
  6. Step 6: Final answer
    x = 38,686.83

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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.