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Finding the Fourth Proportional to 11,993.64, 17,896.62 and 10,748.40

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Solution

The fourth proportional to 11,993.64, 17,896.62 and 10,748.40 is: 16,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.64 : 17,896.62 = 10,748.40 : x
  2. Step 2: Convert to fraction form
    11,993.64/17,896.62 = 10,748.40/x
  3. Step 3: Cross multiply
    11,993.64x = 17,896.62 × 10,748.40
  4. Step 4: Simplify right side
    11,993.64x = 192,360,030.41
  5. Step 5: Solve for x
    x = 192,360,030.41/11,993.64
  6. Step 6: Final answer
    x = 16,038.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.