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Finding the Fourth Proportional to 2,903.85, 4,352.13 and 1,730.16

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Solution

The fourth proportional to 2,903.85, 4,352.13 and 1,730.16 is: 2,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.85 : 4,352.13 = 1,730.16 : x
  2. Step 2: Convert to fraction form
    2,903.85/4,352.13 = 1,730.16/x
  3. Step 3: Cross multiply
    2,903.85x = 4,352.13 × 1,730.16
  4. Step 4: Simplify right side
    2,903.85x = 7,529,881.24
  5. Step 5: Solve for x
    x = 7,529,881.24/2,903.85
  6. Step 6: Final answer
    x = 2,593.07

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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.