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Finding the Fourth Proportional to 17,657.28, 26,448.48 and 12,084.48

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Solution

The fourth proportional to 17,657.28, 26,448.48 and 12,084.48 is: 18,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.28 : 26,448.48 = 12,084.48 : x
  2. Step 2: Convert to fraction form
    17,657.28/26,448.48 = 12,084.48/x
  3. Step 3: Cross multiply
    17,657.28x = 26,448.48 × 12,084.48
  4. Step 4: Simplify right side
    17,657.28x = 319,616,127.59
  5. Step 5: Solve for x
    x = 319,616,127.59/17,657.28
  6. Step 6: Final answer
    x = 18,101.10

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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.