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Finding the Fourth Proportional to 69,152.68, 103,702.92 and 22,393

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Solution

The fourth proportional to 69,152.68, 103,702.92 and 22,393 is: 33,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,152.68 : 103,702.92 = 22,393 : x
  2. Step 2: Convert to fraction form
    69,152.68/103,702.92 = 22,393/x
  3. Step 3: Cross multiply
    69,152.68x = 103,702.92 × 22,393
  4. Step 4: Simplify right side
    69,152.68x = 2,322,219,487.56
  5. Step 5: Solve for x
    x = 2,322,219,487.56/69,152.68
  6. Step 6: Final answer
    x = 33,581.05

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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.