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Finding the Fourth Proportional to 7,699.91, 11,548.18 and 3,018.41

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Solution

The fourth proportional to 7,699.91, 11,548.18 and 3,018.41 is: 4,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.91 : 11,548.18 = 3,018.41 : x
  2. Step 2: Convert to fraction form
    7,699.91/11,548.18 = 3,018.41/x
  3. Step 3: Cross multiply
    7,699.91x = 11,548.18 × 3,018.41
  4. Step 4: Simplify right side
    7,699.91x = 34,857,076.71
  5. Step 5: Solve for x
    x = 34,857,076.71/7,699.91
  6. Step 6: Final answer
    x = 4,526.95

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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.