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Finding the Fourth Proportional to 45,320, 62,532.12 and 27,411.50

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Solution

The fourth proportional to 45,320, 62,532.12 and 27,411.50 is: 37,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,320 : 62,532.12 = 27,411.50 : x
  2. Step 2: Convert to fraction form
    45,320/62,532.12 = 27,411.50/x
  3. Step 3: Cross multiply
    45,320x = 62,532.12 × 27,411.50
  4. Step 4: Simplify right side
    45,320x = 1,714,099,207.38
  5. Step 5: Solve for x
    x = 1,714,099,207.38/45,320
  6. Step 6: Final answer
    x = 37,822.14

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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.