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Finding the Fourth Proportional to 34,970.80, 52,471.71 and 18,326.88

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Solution

The fourth proportional to 34,970.80, 52,471.71 and 18,326.88 is: 27,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,970.80 : 52,471.71 = 18,326.88 : x
  2. Step 2: Convert to fraction form
    34,970.80/52,471.71 = 18,326.88/x
  3. Step 3: Cross multiply
    34,970.80x = 52,471.71 × 18,326.88
  4. Step 4: Simplify right side
    34,970.80x = 961,642,732.56
  5. Step 5: Solve for x
    x = 961,642,732.56/34,970.80
  6. Step 6: Final answer
    x = 27,498.45

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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.