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Finding the Fourth Proportional to 9,274.84, 12,800.58 and 5,916.58

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Solution

The fourth proportional to 9,274.84, 12,800.58 and 5,916.58 is: 8,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,274.84 : 12,800.58 = 5,916.58 : x
  2. Step 2: Convert to fraction form
    9,274.84/12,800.58 = 5,916.58/x
  3. Step 3: Cross multiply
    9,274.84x = 12,800.58 × 5,916.58
  4. Step 4: Simplify right side
    9,274.84x = 75,735,655.62
  5. Step 5: Solve for x
    x = 75,735,655.62/9,274.84
  6. Step 6: Final answer
    x = 8,165.71

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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.