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Finding the Fourth Proportional to 17,509.16, 26,093.91 and 16,948.78

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Solution

The fourth proportional to 17,509.16, 26,093.91 and 16,948.78 is: 25,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509.16 : 26,093.91 = 16,948.78 : x
  2. Step 2: Convert to fraction form
    17,509.16/26,093.91 = 16,948.78/x
  3. Step 3: Cross multiply
    17,509.16x = 26,093.91 × 16,948.78
  4. Step 4: Simplify right side
    17,509.16x = 442,259,938.25
  5. Step 5: Solve for x
    x = 442,259,938.25/17,509.16
  6. Step 6: Final answer
    x = 25,258.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.