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Finding the Fourth Proportional to 8,003.88, 11,047.32 and 4,862.16

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Solution

The fourth proportional to 8,003.88, 11,047.32 and 4,862.16 is: 6,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.88 : 11,047.32 = 4,862.16 : x
  2. Step 2: Convert to fraction form
    8,003.88/11,047.32 = 4,862.16/x
  3. Step 3: Cross multiply
    8,003.88x = 11,047.32 × 4,862.16
  4. Step 4: Simplify right side
    8,003.88x = 53,713,837.41
  5. Step 5: Solve for x
    x = 53,713,837.41/8,003.88
  6. Step 6: Final answer
    x = 6,710.97

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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.