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Finding the Fourth Proportional to 1,730.53, 2,388.18 and 944.63

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Solution

The fourth proportional to 1,730.53, 2,388.18 and 944.63 is: 1,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.53 : 2,388.18 = 944.63 : x
  2. Step 2: Convert to fraction form
    1,730.53/2,388.18 = 944.63/x
  3. Step 3: Cross multiply
    1,730.53x = 2,388.18 × 944.63
  4. Step 4: Simplify right side
    1,730.53x = 2,255,947.03
  5. Step 5: Solve for x
    x = 2,255,947.03/1,730.53
  6. Step 6: Final answer
    x = 1,303.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.