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Finding the Fourth Proportional to 3,552.94, 5,330.95 and 1,907.57

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Solution

The fourth proportional to 3,552.94, 5,330.95 and 1,907.57 is: 2,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.94 : 5,330.95 = 1,907.57 : x
  2. Step 2: Convert to fraction form
    3,552.94/5,330.95 = 1,907.57/x
  3. Step 3: Cross multiply
    3,552.94x = 5,330.95 × 1,907.57
  4. Step 4: Simplify right side
    3,552.94x = 10,169,124.10
  5. Step 5: Solve for x
    x = 10,169,124.10/3,552.94
  6. Step 6: Final answer
    x = 2,862.17

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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.