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Finding the Fourth Proportional to 6,762.91, 10,145.06 and 2,606.40

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Solution

The fourth proportional to 6,762.91, 10,145.06 and 2,606.40 is: 3,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.91 : 10,145.06 = 2,606.40 : x
  2. Step 2: Convert to fraction form
    6,762.91/10,145.06 = 2,606.40/x
  3. Step 3: Cross multiply
    6,762.91x = 10,145.06 × 2,606.40
  4. Step 4: Simplify right side
    6,762.91x = 26,442,084.38
  5. Step 5: Solve for x
    x = 26,442,084.38/6,762.91
  6. Step 6: Final answer
    x = 3,909.87

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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.