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Finding the Fourth Proportional to 6,491.13, 8,962.07 and 4,369.05

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Solution

The fourth proportional to 6,491.13, 8,962.07 and 4,369.05 is: 6,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.13 : 8,962.07 = 4,369.05 : x
  2. Step 2: Convert to fraction form
    6,491.13/8,962.07 = 4,369.05/x
  3. Step 3: Cross multiply
    6,491.13x = 8,962.07 × 4,369.05
  4. Step 4: Simplify right side
    6,491.13x = 39,155,710.09
  5. Step 5: Solve for x
    x = 39,155,710.09/6,491.13
  6. Step 6: Final answer
    x = 6,032.19

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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.