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Finding the Fourth Proportional to 7,253.48, 10,878.48 and 3,354.14

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Solution

The fourth proportional to 7,253.48, 10,878.48 and 3,354.14 is: 5,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.48 : 10,878.48 = 3,354.14 : x
  2. Step 2: Convert to fraction form
    7,253.48/10,878.48 = 3,354.14/x
  3. Step 3: Cross multiply
    7,253.48x = 10,878.48 × 3,354.14
  4. Step 4: Simplify right side
    7,253.48x = 36,487,944.91
  5. Step 5: Solve for x
    x = 36,487,944.91/7,253.48
  6. Step 6: Final answer
    x = 5,030.41

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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.