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Finding the Fourth Proportional to 6,641.01, 9,934.16 and 5,457.69

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Solution

The fourth proportional to 6,641.01, 9,934.16 and 5,457.69 is: 8,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.01 : 9,934.16 = 5,457.69 : x
  2. Step 2: Convert to fraction form
    6,641.01/9,934.16 = 5,457.69/x
  3. Step 3: Cross multiply
    6,641.01x = 9,934.16 × 5,457.69
  4. Step 4: Simplify right side
    6,641.01x = 54,217,538.40
  5. Step 5: Solve for x
    x = 54,217,538.40/6,641.01
  6. Step 6: Final answer
    x = 8,164.05

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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.