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Finding the Fourth Proportional to 62,266, 85,927.08 and 39,910

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Solution

The fourth proportional to 62,266, 85,927.08 and 39,910 is: 55,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,266 : 85,927.08 = 39,910 : x
  2. Step 2: Convert to fraction form
    62,266/85,927.08 = 39,910/x
  3. Step 3: Cross multiply
    62,266x = 85,927.08 × 39,910
  4. Step 4: Simplify right side
    62,266x = 3,429,349,762.80
  5. Step 5: Solve for x
    x = 3,429,349,762.80/62,266
  6. Step 6: Final answer
    x = 55,075.80

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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.