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Finding the Fourth Proportional to 6,666.07, 9,999.44 and 2,968.56

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Solution

The fourth proportional to 6,666.07, 9,999.44 and 2,968.56 is: 4,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.07 : 9,999.44 = 2,968.56 : x
  2. Step 2: Convert to fraction form
    6,666.07/9,999.44 = 2,968.56/x
  3. Step 3: Cross multiply
    6,666.07x = 9,999.44 × 2,968.56
  4. Step 4: Simplify right side
    6,666.07x = 29,683,887.61
  5. Step 5: Solve for x
    x = 29,683,887.61/6,666.07
  6. Step 6: Final answer
    x = 4,452.99

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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.