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Finding the Fourth Proportional to 8,682.94, 13,018.47 and 4,177.62

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Solution

The fourth proportional to 8,682.94, 13,018.47 and 4,177.62 is: 6,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.94 : 13,018.47 = 4,177.62 : x
  2. Step 2: Convert to fraction form
    8,682.94/13,018.47 = 4,177.62/x
  3. Step 3: Cross multiply
    8,682.94x = 13,018.47 × 4,177.62
  4. Step 4: Simplify right side
    8,682.94x = 54,386,220.64
  5. Step 5: Solve for x
    x = 54,386,220.64/8,682.94
  6. Step 6: Final answer
    x = 6,263.57

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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.