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Finding the Fourth Proportional to 2,360.72, 3,537.98 and 972.44

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Solution

The fourth proportional to 2,360.72, 3,537.98 and 972.44 is: 1,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.72 : 3,537.98 = 972.44 : x
  2. Step 2: Convert to fraction form
    2,360.72/3,537.98 = 972.44/x
  3. Step 3: Cross multiply
    2,360.72x = 3,537.98 × 972.44
  4. Step 4: Simplify right side
    2,360.72x = 3,440,458.01
  5. Step 5: Solve for x
    x = 3,440,458.01/2,360.72
  6. Step 6: Final answer
    x = 1,457.38

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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.