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Finding the Fourth Proportional to 9,354.05, 12,913.22 and 7,333.91

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Solution

The fourth proportional to 9,354.05, 12,913.22 and 7,333.91 is: 10,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.05 : 12,913.22 = 7,333.91 : x
  2. Step 2: Convert to fraction form
    9,354.05/12,913.22 = 7,333.91/x
  3. Step 3: Cross multiply
    9,354.05x = 12,913.22 × 7,333.91
  4. Step 4: Simplify right side
    9,354.05x = 94,704,393.29
  5. Step 5: Solve for x
    x = 94,704,393.29/9,354.05
  6. Step 6: Final answer
    x = 10,124.43

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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.