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Finding the Fourth Proportional to 61,266.80, 84,561.36 and 37,388.36

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Solution

The fourth proportional to 61,266.80, 84,561.36 and 37,388.36 is: 51,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,266.80 : 84,561.36 = 37,388.36 : x
  2. Step 2: Convert to fraction form
    61,266.80/84,561.36 = 37,388.36/x
  3. Step 3: Cross multiply
    61,266.80x = 84,561.36 × 37,388.36
  4. Step 4: Simplify right side
    61,266.80x = 3,161,610,569.77
  5. Step 5: Solve for x
    x = 3,161,610,569.77/61,266.80
  6. Step 6: Final answer
    x = 51,603.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.