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Finding the Fourth Proportional to 37,959.52, 52,384.92 and 21,192.52

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Solution

The fourth proportional to 37,959.52, 52,384.92 and 21,192.52 is: 29,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,959.52 : 52,384.92 = 21,192.52 : x
  2. Step 2: Convert to fraction form
    37,959.52/52,384.92 = 21,192.52/x
  3. Step 3: Cross multiply
    37,959.52x = 52,384.92 × 21,192.52
  4. Step 4: Simplify right side
    37,959.52x = 1,110,168,464.80
  5. Step 5: Solve for x
    x = 1,110,168,464.80/37,959.52
  6. Step 6: Final answer
    x = 29,246.11

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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.