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Finding the Fourth Proportional to 9,253.53, 13,880.39 and 7,402.28

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Solution

The fourth proportional to 9,253.53, 13,880.39 and 7,402.28 is: 11,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.53 : 13,880.39 = 7,402.28 : x
  2. Step 2: Convert to fraction form
    9,253.53/13,880.39 = 7,402.28/x
  3. Step 3: Cross multiply
    9,253.53x = 13,880.39 × 7,402.28
  4. Step 4: Simplify right side
    9,253.53x = 102,746,426.88
  5. Step 5: Solve for x
    x = 102,746,426.88/9,253.53
  6. Step 6: Final answer
    x = 11,103.48

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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.