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Finding the Fourth Proportional to 8,930.01, 12,329.10 and 6,568.05

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Solution

The fourth proportional to 8,930.01, 12,329.10 and 6,568.05 is: 9,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.01 : 12,329.10 = 6,568.05 : x
  2. Step 2: Convert to fraction form
    8,930.01/12,329.10 = 6,568.05/x
  3. Step 3: Cross multiply
    8,930.01x = 12,329.10 × 6,568.05
  4. Step 4: Simplify right side
    8,930.01x = 80,978,145.26
  5. Step 5: Solve for x
    x = 80,978,145.26/8,930.01
  6. Step 6: Final answer
    x = 9,068.09

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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.