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Finding the Fourth Proportional to 58,395.62, 80,491.30 and 45,626.52

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Solution

The fourth proportional to 58,395.62, 80,491.30 and 45,626.52 is: 62,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,395.62 : 80,491.30 = 45,626.52 : x
  2. Step 2: Convert to fraction form
    58,395.62/80,491.30 = 45,626.52/x
  3. Step 3: Cross multiply
    58,395.62x = 80,491.30 × 45,626.52
  4. Step 4: Simplify right side
    58,395.62x = 3,672,537,909.28
  5. Step 5: Solve for x
    x = 3,672,537,909.28/58,395.62
  6. Step 6: Final answer
    x = 62,890.64

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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.