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Finding the Fourth Proportional to 62,803.98, 86,669.67 and 34,511.10

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Solution

The fourth proportional to 62,803.98, 86,669.67 and 34,511.10 is: 47,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,803.98 : 86,669.67 = 34,511.10 : x
  2. Step 2: Convert to fraction form
    62,803.98/86,669.67 = 34,511.10/x
  3. Step 3: Cross multiply
    62,803.98x = 86,669.67 × 34,511.10
  4. Step 4: Simplify right side
    62,803.98x = 2,991,065,648.34
  5. Step 5: Solve for x
    x = 2,991,065,648.34/62,803.98
  6. Step 6: Final answer
    x = 47,625.42

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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.