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Finding the Fourth Proportional to 58,397.50, 80,588.64 and 33,247

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Solution

The fourth proportional to 58,397.50, 80,588.64 and 33,247 is: 45,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,397.50 : 80,588.64 = 33,247 : x
  2. Step 2: Convert to fraction form
    58,397.50/80,588.64 = 33,247/x
  3. Step 3: Cross multiply
    58,397.50x = 80,588.64 × 33,247
  4. Step 4: Simplify right side
    58,397.50x = 2,679,330,514.08
  5. Step 5: Solve for x
    x = 2,679,330,514.08/58,397.50
  6. Step 6: Final answer
    x = 45,880.91

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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.