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Finding the Fourth Proportional to 65,986.70, 99,004.35 and 26,572.10

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Solution

The fourth proportional to 65,986.70, 99,004.35 and 26,572.10 is: 39,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,986.70 : 99,004.35 = 26,572.10 : x
  2. Step 2: Convert to fraction form
    65,986.70/99,004.35 = 26,572.10/x
  3. Step 3: Cross multiply
    65,986.70x = 99,004.35 × 26,572.10
  4. Step 4: Simplify right side
    65,986.70x = 2,630,753,488.64
  5. Step 5: Solve for x
    x = 2,630,753,488.64/65,986.70
  6. Step 6: Final answer
    x = 39,867.94

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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.