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Finding the Fourth Proportional to 71,588.60, 98,759.86 and 46,085.82

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Solution

The fourth proportional to 71,588.60, 98,759.86 and 46,085.82 is: 63,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588.60 : 98,759.86 = 46,085.82 : x
  2. Step 2: Convert to fraction form
    71,588.60/98,759.86 = 46,085.82/x
  3. Step 3: Cross multiply
    71,588.60x = 98,759.86 × 46,085.82
  4. Step 4: Simplify right side
    71,588.60x = 4,551,429,131.19
  5. Step 5: Solve for x
    x = 4,551,429,131.19/71,588.60
  6. Step 6: Final answer
    x = 63,577.57

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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.