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Finding the Fourth Proportional to 9,294.48, 13,938.48 and 3,746.39

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Solution

The fourth proportional to 9,294.48, 13,938.48 and 3,746.39 is: 5,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.48 : 13,938.48 = 3,746.39 : x
  2. Step 2: Convert to fraction form
    9,294.48/13,938.48 = 3,746.39/x
  3. Step 3: Cross multiply
    9,294.48x = 13,938.48 × 3,746.39
  4. Step 4: Simplify right side
    9,294.48x = 52,218,912.39
  5. Step 5: Solve for x
    x = 52,218,912.39/9,294.48
  6. Step 6: Final answer
    x = 5,618.27

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1.5x scale

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.