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Finding the Fourth Proportional to 2,973.48, 4,451.94 and 1,509.48

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Solution

The fourth proportional to 2,973.48, 4,451.94 and 1,509.48 is: 2,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.48 : 4,451.94 = 1,509.48 : x
  2. Step 2: Convert to fraction form
    2,973.48/4,451.94 = 1,509.48/x
  3. Step 3: Cross multiply
    2,973.48x = 4,451.94 × 1,509.48
  4. Step 4: Simplify right side
    2,973.48x = 6,720,114.39
  5. Step 5: Solve for x
    x = 6,720,114.39/2,973.48
  6. Step 6: Final answer
    x = 2,260.02

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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.