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Finding the Fourth Proportional to 71,588.90, 98,748.51 and 46,086.86

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Solution

The fourth proportional to 71,588.90, 98,748.51 and 46,086.86 is: 63,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588.90 : 98,748.51 = 46,086.86 : x
  2. Step 2: Convert to fraction form
    71,588.90/98,748.51 = 46,086.86/x
  3. Step 3: Cross multiply
    71,588.90x = 98,748.51 × 46,086.86
  4. Step 4: Simplify right side
    71,588.90x = 4,551,008,755.58
  5. Step 5: Solve for x
    x = 4,551,008,755.58/71,588.90
  6. Step 6: Final answer
    x = 63,571.43

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1.5x scale

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.