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Finding the Fourth Proportional to 1,596, 2,395.12 and 570

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Solution

The fourth proportional to 1,596, 2,395.12 and 570 is: 855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596 : 2,395.12 = 570 : x
  2. Step 2: Convert to fraction form
    1,596/2,395.12 = 570/x
  3. Step 3: Cross multiply
    1,596x = 2,395.12 × 570
  4. Step 4: Simplify right side
    1,596x = 1,365,218.40
  5. Step 5: Solve for x
    x = 1,365,218.40/1,596
  6. Step 6: Final answer
    x = 855.40

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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.