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Finding the Fourth Proportional to 6,670.65, 9,996.41 and 4,901.75

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Solution

The fourth proportional to 6,670.65, 9,996.41 and 4,901.75 is: 7,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.65 : 9,996.41 = 4,901.75 : x
  2. Step 2: Convert to fraction form
    6,670.65/9,996.41 = 4,901.75/x
  3. Step 3: Cross multiply
    6,670.65x = 9,996.41 × 4,901.75
  4. Step 4: Simplify right side
    6,670.65x = 48,999,902.48
  5. Step 5: Solve for x
    x = 48,999,902.48/6,670.65
  6. Step 6: Final answer
    x = 7,345.59

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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.