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Finding the Fourth Proportional to 66,787.66, 92,166.96 and 36,572.98

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Solution

The fourth proportional to 66,787.66, 92,166.96 and 36,572.98 is: 50,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,787.66 : 92,166.96 = 36,572.98 : x
  2. Step 2: Convert to fraction form
    66,787.66/92,166.96 = 36,572.98/x
  3. Step 3: Cross multiply
    66,787.66x = 92,166.96 × 36,572.98
  4. Step 4: Simplify right side
    66,787.66x = 3,370,820,384.74
  5. Step 5: Solve for x
    x = 3,370,820,384.74/66,787.66
  6. Step 6: Final answer
    x = 50,470.71

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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.