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Finding the Fourth Proportional to 62,677.98, 86,495.63 and 34,383.66

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Solution

The fourth proportional to 62,677.98, 86,495.63 and 34,383.66 is: 47,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,677.98 : 86,495.63 = 34,383.66 : x
  2. Step 2: Convert to fraction form
    62,677.98/86,495.63 = 34,383.66/x
  3. Step 3: Cross multiply
    62,677.98x = 86,495.63 × 34,383.66
  4. Step 4: Simplify right side
    62,677.98x = 2,974,036,161.49
  5. Step 5: Solve for x
    x = 2,974,036,161.49/62,677.98
  6. Step 6: Final answer
    x = 47,449.46

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1.5x scale

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.