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Finding the Fourth Proportional to 6,484.49, 9,728.18 and 1,867.13

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Solution

The fourth proportional to 6,484.49, 9,728.18 and 1,867.13 is: 2,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.49 : 9,728.18 = 1,867.13 : x
  2. Step 2: Convert to fraction form
    6,484.49/9,728.18 = 1,867.13/x
  3. Step 3: Cross multiply
    6,484.49x = 9,728.18 × 1,867.13
  4. Step 4: Simplify right side
    6,484.49x = 18,163,718.75
  5. Step 5: Solve for x
    x = 18,163,718.75/6,484.49
  6. Step 6: Final answer
    x = 2,801.10

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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.