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Finding the Fourth Proportional to 11,966.99, 17,950.50 and 4,950.99

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Solution

The fourth proportional to 11,966.99, 17,950.50 and 4,950.99 is: 7,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.99 : 17,950.50 = 4,950.99 : x
  2. Step 2: Convert to fraction form
    11,966.99/17,950.50 = 4,950.99/x
  3. Step 3: Cross multiply
    11,966.99x = 17,950.50 × 4,950.99
  4. Step 4: Simplify right side
    11,966.99x = 88,872,746.00
  5. Step 5: Solve for x
    x = 88,872,746.00/11,966.99
  6. Step 6: Final answer
    x = 7,426.49

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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.