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Finding the Fourth Proportional to 2,913.90, 4,363.65 and 2,337.90

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Solution

The fourth proportional to 2,913.90, 4,363.65 and 2,337.90 is: 3,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.90 : 4,363.65 = 2,337.90 : x
  2. Step 2: Convert to fraction form
    2,913.90/4,363.65 = 2,337.90/x
  3. Step 3: Cross multiply
    2,913.90x = 4,363.65 × 2,337.90
  4. Step 4: Simplify right side
    2,913.90x = 10,201,777.34
  5. Step 5: Solve for x
    x = 10,201,777.34/2,913.90
  6. Step 6: Final answer
    x = 3,501.07

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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.