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Finding the Fourth Proportional to 51,722, 77,587.52 and 14,282.08

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Solution

The fourth proportional to 51,722, 77,587.52 and 14,282.08 is: 21,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,722 : 77,587.52 = 14,282.08 : x
  2. Step 2: Convert to fraction form
    51,722/77,587.52 = 14,282.08/x
  3. Step 3: Cross multiply
    51,722x = 77,587.52 × 14,282.08
  4. Step 4: Simplify right side
    51,722x = 1,108,111,167.64
  5. Step 5: Solve for x
    x = 1,108,111,167.64/51,722
  6. Step 6: Final answer
    x = 21,424.37

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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.