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Finding the Fourth Proportional to 17,578.30, 24,258 and 9,620.64

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Solution

The fourth proportional to 17,578.30, 24,258 and 9,620.64 is: 13,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,578.30 : 24,258 = 9,620.64 : x
  2. Step 2: Convert to fraction form
    17,578.30/24,258 = 9,620.64/x
  3. Step 3: Cross multiply
    17,578.30x = 24,258 × 9,620.64
  4. Step 4: Simplify right side
    17,578.30x = 233,377,485.12
  5. Step 5: Solve for x
    x = 233,377,485.12/17,578.30
  6. Step 6: Final answer
    x = 13,276.45

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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.