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Finding the Fourth Proportional to 75,951.45, 104,809.82 and 43,683.63

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Solution

The fourth proportional to 75,951.45, 104,809.82 and 43,683.63 is: 60,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,951.45 : 104,809.82 = 43,683.63 : x
  2. Step 2: Convert to fraction form
    75,951.45/104,809.82 = 43,683.63/x
  3. Step 3: Cross multiply
    75,951.45x = 104,809.82 × 43,683.63
  4. Step 4: Simplify right side
    75,951.45x = 4,578,473,506.46
  5. Step 5: Solve for x
    x = 4,578,473,506.46/75,951.45
  6. Step 6: Final answer
    x = 60,281.58

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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.