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Finding the Fourth Proportional to 8,015.61, 11,062.97 and 4,785.64

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Solution

The fourth proportional to 8,015.61, 11,062.97 and 4,785.64 is: 6,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.61 : 11,062.97 = 4,785.64 : x
  2. Step 2: Convert to fraction form
    8,015.61/11,062.97 = 4,785.64/x
  3. Step 3: Cross multiply
    8,015.61x = 11,062.97 × 4,785.64
  4. Step 4: Simplify right side
    8,015.61x = 52,943,391.75
  5. Step 5: Solve for x
    x = 52,943,391.75/8,015.61
  6. Step 6: Final answer
    x = 6,605.04

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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.