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Finding the Fourth Proportional to 9,935.88, 14,899.02 and 5,777.10

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Solution

The fourth proportional to 9,935.88, 14,899.02 and 5,777.10 is: 8,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.88 : 14,899.02 = 5,777.10 : x
  2. Step 2: Convert to fraction form
    9,935.88/14,899.02 = 5,777.10/x
  3. Step 3: Cross multiply
    9,935.88x = 14,899.02 × 5,777.10
  4. Step 4: Simplify right side
    9,935.88x = 86,073,128.44
  5. Step 5: Solve for x
    x = 86,073,128.44/9,935.88
  6. Step 6: Final answer
    x = 8,662.86

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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.