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Finding the Fourth Proportional to 61,639.94, 92,470.71 and 26,580.98

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Solution

The fourth proportional to 61,639.94, 92,470.71 and 26,580.98 is: 39,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.94 : 92,470.71 = 26,580.98 : x
  2. Step 2: Convert to fraction form
    61,639.94/92,470.71 = 26,580.98/x
  3. Step 3: Cross multiply
    61,639.94x = 92,470.71 × 26,580.98
  4. Step 4: Simplify right side
    61,639.94x = 2,457,962,093.10
  5. Step 5: Solve for x
    x = 2,457,962,093.10/61,639.94
  6. Step 6: Final answer
    x = 39,876.13

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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.