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Finding the Fourth Proportional to 62,314.53, 85,990.05 and 34,020.15

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Solution

The fourth proportional to 62,314.53, 85,990.05 and 34,020.15 is: 46,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,314.53 : 85,990.05 = 34,020.15 : x
  2. Step 2: Convert to fraction form
    62,314.53/85,990.05 = 34,020.15/x
  3. Step 3: Cross multiply
    62,314.53x = 85,990.05 × 34,020.15
  4. Step 4: Simplify right side
    62,314.53x = 2,925,394,399.51
  5. Step 5: Solve for x
    x = 2,925,394,399.51/62,314.53
  6. Step 6: Final answer
    x = 46,945.62

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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.