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Finding the Fourth Proportional to 58,389.02, 80,572.26 and 32,894

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Solution

The fourth proportional to 58,389.02, 80,572.26 and 32,894 is: 45,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,389.02 : 80,572.26 = 32,894 : x
  2. Step 2: Convert to fraction form
    58,389.02/80,572.26 = 32,894/x
  3. Step 3: Cross multiply
    58,389.02x = 80,572.26 × 32,894
  4. Step 4: Simplify right side
    58,389.02x = 2,650,343,920.44
  5. Step 5: Solve for x
    x = 2,650,343,920.44/58,389.02
  6. Step 6: Final answer
    x = 45,391.14

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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.