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Finding the Fourth Proportional to 84,737.92, 116,889.72 and 52,851.48

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Solution

The fourth proportional to 84,737.92, 116,889.72 and 52,851.48 is: 72,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,737.92 : 116,889.72 = 52,851.48 : x
  2. Step 2: Convert to fraction form
    84,737.92/116,889.72 = 52,851.48/x
  3. Step 3: Cross multiply
    84,737.92x = 116,889.72 × 52,851.48
  4. Step 4: Simplify right side
    84,737.92x = 6,177,794,698.79
  5. Step 5: Solve for x
    x = 6,177,794,698.79/84,737.92
  6. Step 6: Final answer
    x = 72,904.72

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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.