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Finding the Fourth Proportional to 52,859.66, 79,306.76 and 19,582.16

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Solution

The fourth proportional to 52,859.66, 79,306.76 and 19,582.16 is: 29,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,859.66 : 79,306.76 = 19,582.16 : x
  2. Step 2: Convert to fraction form
    52,859.66/79,306.76 = 19,582.16/x
  3. Step 3: Cross multiply
    52,859.66x = 79,306.76 × 19,582.16
  4. Step 4: Simplify right side
    52,859.66x = 1,552,997,315.82
  5. Step 5: Solve for x
    x = 1,552,997,315.82/52,859.66
  6. Step 6: Final answer
    x = 29,379.63

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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.