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Finding the Fourth Proportional to 34,859.27, 52,288.84 and 9,899.55

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Solution

The fourth proportional to 34,859.27, 52,288.84 and 9,899.55 is: 14,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.27 : 52,288.84 = 9,899.55 : x
  2. Step 2: Convert to fraction form
    34,859.27/52,288.84 = 9,899.55/x
  3. Step 3: Cross multiply
    34,859.27x = 52,288.84 × 9,899.55
  4. Step 4: Simplify right side
    34,859.27x = 517,635,986.02
  5. Step 5: Solve for x
    x = 517,635,986.02/34,859.27
  6. Step 6: Final answer
    x = 14,849.31

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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.