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Finding the Fourth Proportional to 8,851.78, 13,280.86 and 4,465.94

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Solution

The fourth proportional to 8,851.78, 13,280.86 and 4,465.94 is: 6,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.78 : 13,280.86 = 4,465.94 : x
  2. Step 2: Convert to fraction form
    8,851.78/13,280.86 = 4,465.94/x
  3. Step 3: Cross multiply
    8,851.78x = 13,280.86 × 4,465.94
  4. Step 4: Simplify right side
    8,851.78x = 59,311,523.91
  5. Step 5: Solve for x
    x = 59,311,523.91/8,851.78
  6. Step 6: Final answer
    x = 6,700.52

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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.