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Finding the Fourth Proportional to 8,508.16, 11,750.23 and 7,580.51

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Solution

The fourth proportional to 8,508.16, 11,750.23 and 7,580.51 is: 10,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.16 : 11,750.23 = 7,580.51 : x
  2. Step 2: Convert to fraction form
    8,508.16/11,750.23 = 7,580.51/x
  3. Step 3: Cross multiply
    8,508.16x = 11,750.23 × 7,580.51
  4. Step 4: Simplify right side
    8,508.16x = 89,072,736.02
  5. Step 5: Solve for x
    x = 89,072,736.02/8,508.16
  6. Step 6: Final answer
    x = 10,469.10

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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.