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Finding the Fourth Proportional to 6,907.46, 10,360.98 and 1,977.10

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Solution

The fourth proportional to 6,907.46, 10,360.98 and 1,977.10 is: 2,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.46 : 10,360.98 = 1,977.10 : x
  2. Step 2: Convert to fraction form
    6,907.46/10,360.98 = 1,977.10/x
  3. Step 3: Cross multiply
    6,907.46x = 10,360.98 × 1,977.10
  4. Step 4: Simplify right side
    6,907.46x = 20,484,693.56
  5. Step 5: Solve for x
    x = 20,484,693.56/6,907.46
  6. Step 6: Final answer
    x = 2,965.59

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Similar ratio
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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.