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Finding the Fourth Proportional to 58,474.91, 80,717.15 and 45,528.48

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Solution

The fourth proportional to 58,474.91, 80,717.15 and 45,528.48 is: 62,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474.91 : 80,717.15 = 45,528.48 : x
  2. Step 2: Convert to fraction form
    58,474.91/80,717.15 = 45,528.48/x
  3. Step 3: Cross multiply
    58,474.91x = 80,717.15 × 45,528.48
  4. Step 4: Simplify right side
    58,474.91x = 3,674,929,263.25
  5. Step 5: Solve for x
    x = 3,674,929,263.25/58,474.91
  6. Step 6: Final answer
    x = 62,846.26

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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.