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Finding the Fourth Proportional to 61,958.04, 85,509.38 and 36,807.54

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Solution

The fourth proportional to 61,958.04, 85,509.38 and 36,807.54 is: 50,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,958.04 : 85,509.38 = 36,807.54 : x
  2. Step 2: Convert to fraction form
    61,958.04/85,509.38 = 36,807.54/x
  3. Step 3: Cross multiply
    61,958.04x = 85,509.38 × 36,807.54
  4. Step 4: Simplify right side
    61,958.04x = 3,147,389,924.73
  5. Step 5: Solve for x
    x = 3,147,389,924.73/61,958.04
  6. Step 6: Final answer
    x = 50,798.73

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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.