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Finding the Fourth Proportional to 1,063.79, 1,596.14 and 577.19

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Solution

The fourth proportional to 1,063.79, 1,596.14 and 577.19 is: 866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.79 : 1,596.14 = 577.19 : x
  2. Step 2: Convert to fraction form
    1,063.79/1,596.14 = 577.19/x
  3. Step 3: Cross multiply
    1,063.79x = 1,596.14 × 577.19
  4. Step 4: Simplify right side
    1,063.79x = 921,276.05
  5. Step 5: Solve for x
    x = 921,276.05/1,063.79
  6. Step 6: Final answer
    x = 866.03

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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.