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Finding the Fourth Proportional to 34,468.92, 47,584.80 and 20,326.32

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Solution

The fourth proportional to 34,468.92, 47,584.80 and 20,326.32 is: 28,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,468.92 : 47,584.80 = 20,326.32 : x
  2. Step 2: Convert to fraction form
    34,468.92/47,584.80 = 20,326.32/x
  3. Step 3: Cross multiply
    34,468.92x = 47,584.80 × 20,326.32
  4. Step 4: Simplify right side
    34,468.92x = 967,223,871.94
  5. Step 5: Solve for x
    x = 967,223,871.94/34,468.92
  6. Step 6: Final answer
    x = 28,060.75

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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.