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Finding the Fourth Proportional to 58,395.35, 80,580.30 and 32,905.87

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Solution

The fourth proportional to 58,395.35, 80,580.30 and 32,905.87 is: 45,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,395.35 : 80,580.30 = 32,905.87 : x
  2. Step 2: Convert to fraction form
    58,395.35/80,580.30 = 32,905.87/x
  3. Step 3: Cross multiply
    58,395.35x = 80,580.30 × 32,905.87
  4. Step 4: Simplify right side
    58,395.35x = 2,651,564,674.91
  5. Step 5: Solve for x
    x = 2,651,564,674.91/58,395.35
  6. Step 6: Final answer
    x = 45,407.12

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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.