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Finding the Fourth Proportional to 4,572.39, 6,856.97 and 1,973.91

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Solution

The fourth proportional to 4,572.39, 6,856.97 and 1,973.91 is: 2,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.39 : 6,856.97 = 1,973.91 : x
  2. Step 2: Convert to fraction form
    4,572.39/6,856.97 = 1,973.91/x
  3. Step 3: Cross multiply
    4,572.39x = 6,856.97 × 1,973.91
  4. Step 4: Simplify right side
    4,572.39x = 13,535,031.78
  5. Step 5: Solve for x
    x = 13,535,031.78/4,572.39
  6. Step 6: Final answer
    x = 2,960.17

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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.