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Finding the Fourth Proportional to 62,699.74, 86,523.03 and 34,403.62

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Solution

The fourth proportional to 62,699.74, 86,523.03 and 34,403.62 is: 47,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,699.74 : 86,523.03 = 34,403.62 : x
  2. Step 2: Convert to fraction form
    62,699.74/86,523.03 = 34,403.62/x
  3. Step 3: Cross multiply
    62,699.74x = 86,523.03 × 34,403.62
  4. Step 4: Simplify right side
    62,699.74x = 2,976,705,445.37
  5. Step 5: Solve for x
    x = 2,976,705,445.37/62,699.74
  6. Step 6: Final answer
    x = 47,475.56

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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.