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Finding the Fourth Proportional to 9,325.52, 13,988.16 and 2,751.68

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Solution

The fourth proportional to 9,325.52, 13,988.16 and 2,751.68 is: 4,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.52 : 13,988.16 = 2,751.68 : x
  2. Step 2: Convert to fraction form
    9,325.52/13,988.16 = 2,751.68/x
  3. Step 3: Cross multiply
    9,325.52x = 13,988.16 × 2,751.68
  4. Step 4: Simplify right side
    9,325.52x = 38,490,940.11
  5. Step 5: Solve for x
    x = 38,490,940.11/9,325.52
  6. Step 6: Final answer
    x = 4,127.48

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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.