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Finding the Fourth Proportional to 2,999.67, 4,499.64 and 1,355.10

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Solution

The fourth proportional to 2,999.67, 4,499.64 and 1,355.10 is: 2,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.67 : 4,499.64 = 1,355.10 : x
  2. Step 2: Convert to fraction form
    2,999.67/4,499.64 = 1,355.10/x
  3. Step 3: Cross multiply
    2,999.67x = 4,499.64 × 1,355.10
  4. Step 4: Simplify right side
    2,999.67x = 6,097,462.16
  5. Step 5: Solve for x
    x = 6,097,462.16/2,999.67
  6. Step 6: Final answer
    x = 2,032.71

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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.