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Finding the Fourth Proportional to 36,472.40, 54,701.40 and 17,752.40

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Solution

The fourth proportional to 36,472.40, 54,701.40 and 17,752.40 is: 26,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,472.40 : 54,701.40 = 17,752.40 : x
  2. Step 2: Convert to fraction form
    36,472.40/54,701.40 = 17,752.40/x
  3. Step 3: Cross multiply
    36,472.40x = 54,701.40 × 17,752.40
  4. Step 4: Simplify right side
    36,472.40x = 971,081,133.36
  5. Step 5: Solve for x
    x = 971,081,133.36/36,472.40
  6. Step 6: Final answer
    x = 26,625.10

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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.