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Finding the Fourth Proportional to 6,820.29, 10,225.22 and 6,124.87

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Solution

The fourth proportional to 6,820.29, 10,225.22 and 6,124.87 is: 9,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.29 : 10,225.22 = 6,124.87 : x
  2. Step 2: Convert to fraction form
    6,820.29/10,225.22 = 6,124.87/x
  3. Step 3: Cross multiply
    6,820.29x = 10,225.22 × 6,124.87
  4. Step 4: Simplify right side
    6,820.29x = 62,628,143.22
  5. Step 5: Solve for x
    x = 62,628,143.22/6,820.29
  6. Step 6: Final answer
    x = 9,182.62

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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.