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Finding the Fourth Proportional to 11,299.94, 16,950.16 and 7,954.52

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Solution

The fourth proportional to 11,299.94, 16,950.16 and 7,954.52 is: 11,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.94 : 16,950.16 = 7,954.52 : x
  2. Step 2: Convert to fraction form
    11,299.94/16,950.16 = 7,954.52/x
  3. Step 3: Cross multiply
    11,299.94x = 16,950.16 × 7,954.52
  4. Step 4: Simplify right side
    11,299.94x = 134,830,386.72
  5. Step 5: Solve for x
    x = 134,830,386.72/11,299.94
  6. Step 6: Final answer
    x = 11,931.96

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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.