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Finding the Fourth Proportional to 52,995.72, 79,490.88 and 19,702.92

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Solution

The fourth proportional to 52,995.72, 79,490.88 and 19,702.92 is: 29,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,995.72 : 79,490.88 = 19,702.92 : x
  2. Step 2: Convert to fraction form
    52,995.72/79,490.88 = 19,702.92/x
  3. Step 3: Cross multiply
    52,995.72x = 79,490.88 × 19,702.92
  4. Step 4: Simplify right side
    52,995.72x = 1,566,202,449.37
  5. Step 5: Solve for x
    x = 1,566,202,449.37/52,995.72
  6. Step 6: Final answer
    x = 29,553.38

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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.