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Finding the Fourth Proportional to 62,669.64, 86,482.62 and 34,375.08

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Solution

The fourth proportional to 62,669.64, 86,482.62 and 34,375.08 is: 47,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,669.64 : 86,482.62 = 34,375.08 : x
  2. Step 2: Convert to fraction form
    62,669.64/86,482.62 = 34,375.08/x
  3. Step 3: Cross multiply
    62,669.64x = 86,482.62 × 34,375.08
  4. Step 4: Simplify right side
    62,669.64x = 2,972,846,981.11
  5. Step 5: Solve for x
    x = 2,972,846,981.11/62,669.64
  6. Step 6: Final answer
    x = 47,436.80

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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.