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Finding the Fourth Proportional to 34,374.52, 47,436.80 and 19,470.52

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Solution

The fourth proportional to 34,374.52, 47,436.80 and 19,470.52 is: 26,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,374.52 : 47,436.80 = 19,470.52 : x
  2. Step 2: Convert to fraction form
    34,374.52/47,436.80 = 19,470.52/x
  3. Step 3: Cross multiply
    34,374.52x = 47,436.80 × 19,470.52
  4. Step 4: Simplify right side
    34,374.52x = 923,619,163.14
  5. Step 5: Solve for x
    x = 923,619,163.14/34,374.52
  6. Step 6: Final answer
    x = 26,869.30

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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.