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Finding the Fourth Proportional to 8,477.94, 12,711.65 and 3,541.53

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Solution

The fourth proportional to 8,477.94, 12,711.65 and 3,541.53 is: 5,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.94 : 12,711.65 = 3,541.53 : x
  2. Step 2: Convert to fraction form
    8,477.94/12,711.65 = 3,541.53/x
  3. Step 3: Cross multiply
    8,477.94x = 12,711.65 × 3,541.53
  4. Step 4: Simplify right side
    8,477.94x = 45,018,672.12
  5. Step 5: Solve for x
    x = 45,018,672.12/8,477.94
  6. Step 6: Final answer
    x = 5,310.10

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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.