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Finding the Fourth Proportional to 9,335.66, 12,883.49 and 5,087.00

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Solution

The fourth proportional to 9,335.66, 12,883.49 and 5,087.00 is: 7,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.66 : 12,883.49 = 5,087.00 : x
  2. Step 2: Convert to fraction form
    9,335.66/12,883.49 = 5,087.00/x
  3. Step 3: Cross multiply
    9,335.66x = 12,883.49 × 5,087.00
  4. Step 4: Simplify right side
    9,335.66x = 65,538,223.78
  5. Step 5: Solve for x
    x = 65,538,223.78/9,335.66
  6. Step 6: Final answer
    x = 7,020.21

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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.