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Finding the Fourth Proportional to 8,018.59, 11,065.68 and 4,661.47

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Solution

The fourth proportional to 8,018.59, 11,065.68 and 4,661.47 is: 6,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.59 : 11,065.68 = 4,661.47 : x
  2. Step 2: Convert to fraction form
    8,018.59/11,065.68 = 4,661.47/x
  3. Step 3: Cross multiply
    8,018.59x = 11,065.68 × 4,661.47
  4. Step 4: Simplify right side
    8,018.59x = 51,582,335.35
  5. Step 5: Solve for x
    x = 51,582,335.35/8,018.59
  6. Step 6: Final answer
    x = 6,432.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.