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Finding the Fourth Proportional to 9,573.92, 13,209.68 and 7,338.32

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Solution

The fourth proportional to 9,573.92, 13,209.68 and 7,338.32 is: 10,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,573.92 : 13,209.68 = 7,338.32 : x
  2. Step 2: Convert to fraction form
    9,573.92/13,209.68 = 7,338.32/x
  3. Step 3: Cross multiply
    9,573.92x = 13,209.68 × 7,338.32
  4. Step 4: Simplify right side
    9,573.92x = 96,936,858.94
  5. Step 5: Solve for x
    x = 96,936,858.94/9,573.92
  6. Step 6: Final answer
    x = 10,125.10

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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.