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Finding the Fourth Proportional to 46,372.88, 64,027.86 and 28,491.86

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Solution

The fourth proportional to 46,372.88, 64,027.86 and 28,491.86 is: 39,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,372.88 : 64,027.86 = 28,491.86 : x
  2. Step 2: Convert to fraction form
    46,372.88/64,027.86 = 28,491.86/x
  3. Step 3: Cross multiply
    46,372.88x = 64,027.86 × 28,491.86
  4. Step 4: Simplify right side
    46,372.88x = 1,824,272,823.22
  5. Step 5: Solve for x
    x = 1,824,272,823.22/46,372.88
  6. Step 6: Final answer
    x = 39,339.22

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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.