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Finding the Fourth Proportional to 11,168.99, 16,750.93 and 6,667.32

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Solution

The fourth proportional to 11,168.99, 16,750.93 and 6,667.32 is: 9,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.99 : 16,750.93 = 6,667.32 : x
  2. Step 2: Convert to fraction form
    11,168.99/16,750.93 = 6,667.32/x
  3. Step 3: Cross multiply
    11,168.99x = 16,750.93 × 6,667.32
  4. Step 4: Simplify right side
    11,168.99x = 111,683,810.61
  5. Step 5: Solve for x
    x = 111,683,810.61/11,168.99
  6. Step 6: Final answer
    x = 9,999.45

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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.