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Finding the Fourth Proportional to 34,697.88, 47,883.08 and 18,782.46

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Solution

The fourth proportional to 34,697.88, 47,883.08 and 18,782.46 is: 25,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,697.88 : 47,883.08 = 18,782.46 : x
  2. Step 2: Convert to fraction form
    34,697.88/47,883.08 = 18,782.46/x
  3. Step 3: Cross multiply
    34,697.88x = 47,883.08 × 18,782.46
  4. Step 4: Simplify right side
    34,697.88x = 899,362,034.78
  5. Step 5: Solve for x
    x = 899,362,034.78/34,697.88
  6. Step 6: Final answer
    x = 25,919.80

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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.