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Finding the Fourth Proportional to 1,591.04, 2,384.64 and 563.84

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Solution

The fourth proportional to 1,591.04, 2,384.64 and 563.84 is: 845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.04 : 2,384.64 = 563.84 : x
  2. Step 2: Convert to fraction form
    1,591.04/2,384.64 = 563.84/x
  3. Step 3: Cross multiply
    1,591.04x = 2,384.64 × 563.84
  4. Step 4: Simplify right side
    1,591.04x = 1,344,555.42
  5. Step 5: Solve for x
    x = 1,344,555.42/1,591.04
  6. Step 6: Final answer
    x = 845.08

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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.