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Finding the Fourth Proportional to 52,723, 79,062.54 and 19,444.96

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Solution

The fourth proportional to 52,723, 79,062.54 and 19,444.96 is: 29,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,723 : 79,062.54 = 19,444.96 : x
  2. Step 2: Convert to fraction form
    52,723/79,062.54 = 19,444.96/x
  3. Step 3: Cross multiply
    52,723x = 79,062.54 × 19,444.96
  4. Step 4: Simplify right side
    52,723x = 1,537,367,927.80
  5. Step 5: Solve for x
    x = 1,537,367,927.80/52,723
  6. Step 6: Final answer
    x = 29,159.34

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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.