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Finding the Fourth Proportional to 8,376.04, 11,549.22 and 7,867.48

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Solution

The fourth proportional to 8,376.04, 11,549.22 and 7,867.48 is: 10,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.04 : 11,549.22 = 7,867.48 : x
  2. Step 2: Convert to fraction form
    8,376.04/11,549.22 = 7,867.48/x
  3. Step 3: Cross multiply
    8,376.04x = 11,549.22 × 7,867.48
  4. Step 4: Simplify right side
    8,376.04x = 90,863,257.37
  5. Step 5: Solve for x
    x = 90,863,257.37/8,376.04
  6. Step 6: Final answer
    x = 10,848.00

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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.