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Finding the Fourth Proportional to 8,060.10, 12,007.02 and 7,815.26

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Solution

The fourth proportional to 8,060.10, 12,007.02 and 7,815.26 is: 11,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.10 : 12,007.02 = 7,815.26 : x
  2. Step 2: Convert to fraction form
    8,060.10/12,007.02 = 7,815.26/x
  3. Step 3: Cross multiply
    8,060.10x = 12,007.02 × 7,815.26
  4. Step 4: Simplify right side
    8,060.10x = 93,837,923.09
  5. Step 5: Solve for x
    x = 93,837,923.09/8,060.10
  6. Step 6: Final answer
    x = 11,642.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.