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Finding the Fourth Proportional to 3,762.62, 5,643.38 and 1,570.94

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Solution

The fourth proportional to 3,762.62, 5,643.38 and 1,570.94 is: 2,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.62 : 5,643.38 = 1,570.94 : x
  2. Step 2: Convert to fraction form
    3,762.62/5,643.38 = 1,570.94/x
  3. Step 3: Cross multiply
    3,762.62x = 5,643.38 × 1,570.94
  4. Step 4: Simplify right side
    3,762.62x = 8,865,411.38
  5. Step 5: Solve for x
    x = 8,865,411.38/3,762.62
  6. Step 6: Final answer
    x = 2,356.18

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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.