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Finding the Fourth Proportional to 17,901.70, 26,852.55 and 4,755.40

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Solution

The fourth proportional to 17,901.70, 26,852.55 and 4,755.40 is: 7,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901.70 : 26,852.55 = 4,755.40 : x
  2. Step 2: Convert to fraction form
    17,901.70/26,852.55 = 4,755.40/x
  3. Step 3: Cross multiply
    17,901.70x = 26,852.55 × 4,755.40
  4. Step 4: Simplify right side
    17,901.70x = 127,694,616.27
  5. Step 5: Solve for x
    x = 127,694,616.27/17,901.70
  6. Step 6: Final answer
    x = 7,133.10

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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.