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Finding the Fourth Proportional to 17,118.70, 25,650.45 and 9,701.10

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Solution

The fourth proportional to 17,118.70, 25,650.45 and 9,701.10 is: 14,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.70 : 25,650.45 = 9,701.10 : x
  2. Step 2: Convert to fraction form
    17,118.70/25,650.45 = 9,701.10/x
  3. Step 3: Cross multiply
    17,118.70x = 25,650.45 × 9,701.10
  4. Step 4: Simplify right side
    17,118.70x = 248,837,580.50
  5. Step 5: Solve for x
    x = 248,837,580.50/17,118.70
  6. Step 6: Final answer
    x = 14,536.01

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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.