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Finding the Fourth Proportional to 61,087.40, 84,341.22 and 46,914.92

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Solution

The fourth proportional to 61,087.40, 84,341.22 and 46,914.92 is: 64,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,087.40 : 84,341.22 = 46,914.92 : x
  2. Step 2: Convert to fraction form
    61,087.40/84,341.22 = 46,914.92/x
  3. Step 3: Cross multiply
    61,087.40x = 84,341.22 × 46,914.92
  4. Step 4: Simplify right side
    61,087.40x = 3,956,861,589.00
  5. Step 5: Solve for x
    x = 3,956,861,589.00/61,087.40
  6. Step 6: Final answer
    x = 64,773.78

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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.