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Finding the Fourth Proportional to 9,035.28, 12,457.44 and 6,913.44

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Solution

The fourth proportional to 9,035.28, 12,457.44 and 6,913.44 is: 9,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,035.28 : 12,457.44 = 6,913.44 : x
  2. Step 2: Convert to fraction form
    9,035.28/12,457.44 = 6,913.44/x
  3. Step 3: Cross multiply
    9,035.28x = 12,457.44 × 6,913.44
  4. Step 4: Simplify right side
    9,035.28x = 86,123,763.99
  5. Step 5: Solve for x
    x = 86,123,763.99/9,035.28
  6. Step 6: Final answer
    x = 9,531.94

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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.