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Finding the Fourth Proportional to 4,907.92, 7,356.38 and 1,943.62

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Solution

The fourth proportional to 4,907.92, 7,356.38 and 1,943.62 is: 2,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.92 : 7,356.38 = 1,943.62 : x
  2. Step 2: Convert to fraction form
    4,907.92/7,356.38 = 1,943.62/x
  3. Step 3: Cross multiply
    4,907.92x = 7,356.38 × 1,943.62
  4. Step 4: Simplify right side
    4,907.92x = 14,298,007.30
  5. Step 5: Solve for x
    x = 14,298,007.30/4,907.92
  6. Step 6: Final answer
    x = 2,913.25

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1.5x scale

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.