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Finding the Fourth Proportional to 62,803.55, 86,667.09 and 35,945.15

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Solution

The fourth proportional to 62,803.55, 86,667.09 and 35,945.15 is: 49,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,803.55 : 86,667.09 = 35,945.15 : x
  2. Step 2: Convert to fraction form
    62,803.55/86,667.09 = 35,945.15/x
  3. Step 3: Cross multiply
    62,803.55x = 86,667.09 × 35,945.15
  4. Step 4: Simplify right side
    62,803.55x = 3,115,261,550.11
  5. Step 5: Solve for x
    x = 3,115,261,550.11/62,803.55
  6. Step 6: Final answer
    x = 49,603.27

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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.