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Finding the Fourth Proportional to 58,236, 80,378.64 and 37,011.12

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Solution

The fourth proportional to 58,236, 80,378.64 and 37,011.12 is: 51,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,236 : 80,378.64 = 37,011.12 : x
  2. Step 2: Convert to fraction form
    58,236/80,378.64 = 37,011.12/x
  3. Step 3: Cross multiply
    58,236x = 80,378.64 × 37,011.12
  4. Step 4: Simplify right side
    58,236x = 2,974,903,490.48
  5. Step 5: Solve for x
    x = 2,974,903,490.48/58,236
  6. Step 6: Final answer
    x = 51,083.58

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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.