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Finding the Fourth Proportional to 62,857, 86,745.09 and 34,562.08

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Solution

The fourth proportional to 62,857, 86,745.09 and 34,562.08 is: 47,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,857 : 86,745.09 = 34,562.08 : x
  2. Step 2: Convert to fraction form
    62,857/86,745.09 = 34,562.08/x
  3. Step 3: Cross multiply
    62,857x = 86,745.09 × 34,562.08
  4. Step 4: Simplify right side
    62,857x = 2,998,090,740.19
  5. Step 5: Solve for x
    x = 2,998,090,740.19/62,857
  6. Step 6: Final answer
    x = 47,697.01

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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.