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Finding the Fourth Proportional to 1,596, 2,393.09 and 947.19

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Solution

The fourth proportional to 1,596, 2,393.09 and 947.19 is: 1,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596 : 2,393.09 = 947.19 : x
  2. Step 2: Convert to fraction form
    1,596/2,393.09 = 947.19/x
  3. Step 3: Cross multiply
    1,596x = 2,393.09 × 947.19
  4. Step 4: Simplify right side
    1,596x = 2,266,710.92
  5. Step 5: Solve for x
    x = 2,266,710.92/1,596
  6. Step 6: Final answer
    x = 1,420.24

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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.