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Finding the Fourth Proportional to 58,376.64, 87,491.12 and 37,308.56

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Solution

The fourth proportional to 58,376.64, 87,491.12 and 37,308.56 is: 55,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,376.64 : 87,491.12 = 37,308.56 : x
  2. Step 2: Convert to fraction form
    58,376.64/87,491.12 = 37,308.56/x
  3. Step 3: Cross multiply
    58,376.64x = 87,491.12 × 37,308.56
  4. Step 4: Simplify right side
    58,376.64x = 3,264,167,699.99
  5. Step 5: Solve for x
    x = 3,264,167,699.99/58,376.64
  6. Step 6: Final answer
    x = 55,915.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.