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Finding the Fourth Proportional to 29,570.19, 40,806.81 and 18,959.82

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Solution

The fourth proportional to 29,570.19, 40,806.81 and 18,959.82 is: 26,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,570.19 : 40,806.81 = 18,959.82 : x
  2. Step 2: Convert to fraction form
    29,570.19/40,806.81 = 18,959.82/x
  3. Step 3: Cross multiply
    29,570.19x = 40,806.81 × 18,959.82
  4. Step 4: Simplify right side
    29,570.19x = 773,689,772.37
  5. Step 5: Solve for x
    x = 773,689,772.37/29,570.19
  6. Step 6: Final answer
    x = 26,164.52

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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.