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Finding the Fourth Proportional to 37,991.70, 56,987.55 and 34,233.30

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Solution

The fourth proportional to 37,991.70, 56,987.55 and 34,233.30 is: 51,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991.70 : 56,987.55 = 34,233.30 : x
  2. Step 2: Convert to fraction form
    37,991.70/56,987.55 = 34,233.30/x
  3. Step 3: Cross multiply
    37,991.70x = 56,987.55 × 34,233.30
  4. Step 4: Simplify right side
    37,991.70x = 1,950,871,895.42
  5. Step 5: Solve for x
    x = 1,950,871,895.42/37,991.70
  6. Step 6: Final answer
    x = 51,349.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.