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Finding the Fourth Proportional to 34,592.52, 47,734.44 and 20,442.60

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Solution

The fourth proportional to 34,592.52, 47,734.44 and 20,442.60 is: 28,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,592.52 : 47,734.44 = 20,442.60 : x
  2. Step 2: Convert to fraction form
    34,592.52/47,734.44 = 20,442.60/x
  3. Step 3: Cross multiply
    34,592.52x = 47,734.44 × 20,442.60
  4. Step 4: Simplify right side
    34,592.52x = 975,816,063.14
  5. Step 5: Solve for x
    x = 975,816,063.14/34,592.52
  6. Step 6: Final answer
    x = 28,208.87

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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.