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Finding the Fourth Proportional to 17,210.90, 25,816.90 and 6,117.42

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Solution

The fourth proportional to 17,210.90, 25,816.90 and 6,117.42 is: 9,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,210.90 : 25,816.90 = 6,117.42 : x
  2. Step 2: Convert to fraction form
    17,210.90/25,816.90 = 6,117.42/x
  3. Step 3: Cross multiply
    17,210.90x = 25,816.90 × 6,117.42
  4. Step 4: Simplify right side
    17,210.90x = 157,932,820.40
  5. Step 5: Solve for x
    x = 157,932,820.40/17,210.90
  6. Step 6: Final answer
    x = 9,176.33

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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.