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Finding the Fourth Proportional to 4,697.76, 7,045.23 and 2,945.43

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Solution

The fourth proportional to 4,697.76, 7,045.23 and 2,945.43 is: 4,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.76 : 7,045.23 = 2,945.43 : x
  2. Step 2: Convert to fraction form
    4,697.76/7,045.23 = 2,945.43/x
  3. Step 3: Cross multiply
    4,697.76x = 7,045.23 × 2,945.43
  4. Step 4: Simplify right side
    4,697.76x = 20,751,216.42
  5. Step 5: Solve for x
    x = 20,751,216.42/4,697.76
  6. Step 6: Final answer
    x = 4,417.26

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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.