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Finding the Fourth Proportional to 53,394.70, 73,683.39 and 29,520.76

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Solution

The fourth proportional to 53,394.70, 73,683.39 and 29,520.76 is: 40,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,394.70 : 73,683.39 = 29,520.76 : x
  2. Step 2: Convert to fraction form
    53,394.70/73,683.39 = 29,520.76/x
  3. Step 3: Cross multiply
    53,394.70x = 73,683.39 × 29,520.76
  4. Step 4: Simplify right side
    53,394.70x = 2,175,189,672.18
  5. Step 5: Solve for x
    x = 2,175,189,672.18/53,394.70
  6. Step 6: Final answer
    x = 40,737.93

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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.