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Finding the Fourth Proportional to 8,552.78, 12,829.03 and 7,088.84

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Solution

The fourth proportional to 8,552.78, 12,829.03 and 7,088.84 is: 10,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.78 : 12,829.03 = 7,088.84 : x
  2. Step 2: Convert to fraction form
    8,552.78/12,829.03 = 7,088.84/x
  3. Step 3: Cross multiply
    8,552.78x = 12,829.03 × 7,088.84
  4. Step 4: Simplify right side
    8,552.78x = 90,942,941.03
  5. Step 5: Solve for x
    x = 90,942,941.03/8,552.78
  6. Step 6: Final answer
    x = 10,633.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.