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Finding the Fourth Proportional to 67,706.90, 93,434.36 and 37,491.56

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Solution

The fourth proportional to 67,706.90, 93,434.36 and 37,491.56 is: 51,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,706.90 : 93,434.36 = 37,491.56 : x
  2. Step 2: Convert to fraction form
    67,706.90/93,434.36 = 37,491.56/x
  3. Step 3: Cross multiply
    67,706.90x = 93,434.36 × 37,491.56
  4. Step 4: Simplify right side
    67,706.90x = 3,502,999,914.00
  5. Step 5: Solve for x
    x = 3,502,999,914.00/67,706.90
  6. Step 6: Final answer
    x = 51,737.71

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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.