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Finding the Fourth Proportional to 6,600.56, 9,901.16 and 1,670.24

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Solution

The fourth proportional to 6,600.56, 9,901.16 and 1,670.24 is: 2,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.56 : 9,901.16 = 1,670.24 : x
  2. Step 2: Convert to fraction form
    6,600.56/9,901.16 = 1,670.24/x
  3. Step 3: Cross multiply
    6,600.56x = 9,901.16 × 1,670.24
  4. Step 4: Simplify right side
    6,600.56x = 16,537,305.13
  5. Step 5: Solve for x
    x = 16,537,305.13/6,600.56
  6. Step 6: Final answer
    x = 2,505.44

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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.