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Finding the Fourth Proportional to 2,999.58, 4,499.64 and 1,152.24

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Solution

The fourth proportional to 2,999.58, 4,499.64 and 1,152.24 is: 1,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.58 : 4,499.64 = 1,152.24 : x
  2. Step 2: Convert to fraction form
    2,999.58/4,499.64 = 1,152.24/x
  3. Step 3: Cross multiply
    2,999.58x = 4,499.64 × 1,152.24
  4. Step 4: Simplify right side
    2,999.58x = 5,184,665.19
  5. Step 5: Solve for x
    x = 5,184,665.19/2,999.58
  6. Step 6: Final answer
    x = 1,728.46

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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.