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Finding the Fourth Proportional to 60,964.60, 84,159.91 and 45,863.01

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Solution

The fourth proportional to 60,964.60, 84,159.91 and 45,863.01 is: 63,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,964.60 : 84,159.91 = 45,863.01 : x
  2. Step 2: Convert to fraction form
    60,964.60/84,159.91 = 45,863.01/x
  3. Step 3: Cross multiply
    60,964.60x = 84,159.91 × 45,863.01
  4. Step 4: Simplify right side
    60,964.60x = 3,859,826,679.27
  5. Step 5: Solve for x
    x = 3,859,826,679.27/60,964.60
  6. Step 6: Final answer
    x = 63,312.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.