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Finding the Fourth Proportional to 37,959.70, 52,390.80 and 22,053.38

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Solution

The fourth proportional to 37,959.70, 52,390.80 and 22,053.38 is: 30,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,959.70 : 52,390.80 = 22,053.38 : x
  2. Step 2: Convert to fraction form
    37,959.70/52,390.80 = 22,053.38/x
  3. Step 3: Cross multiply
    37,959.70x = 52,390.80 × 22,053.38
  4. Step 4: Simplify right side
    37,959.70x = 1,155,393,848.68
  5. Step 5: Solve for x
    x = 1,155,393,848.68/37,959.70
  6. Step 6: Final answer
    x = 30,437.38

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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.