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Finding the Fourth Proportional to 37,910.88, 52,317.01 and 21,143.88

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Solution

The fourth proportional to 37,910.88, 52,317.01 and 21,143.88 is: 29,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,910.88 : 52,317.01 = 21,143.88 : x
  2. Step 2: Convert to fraction form
    37,910.88/52,317.01 = 21,143.88/x
  3. Step 3: Cross multiply
    37,910.88x = 52,317.01 × 21,143.88
  4. Step 4: Simplify right side
    37,910.88x = 1,106,184,266.95
  5. Step 5: Solve for x
    x = 1,106,184,266.95/37,910.88
  6. Step 6: Final answer
    x = 29,178.55

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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.