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Finding the Fourth Proportional to 84,603.57, 126,611.60 and 52,569.49

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Solution

The fourth proportional to 84,603.57, 126,611.60 and 52,569.49 is: 78,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,603.57 : 126,611.60 = 52,569.49 : x
  2. Step 2: Convert to fraction form
    84,603.57/126,611.60 = 52,569.49/x
  3. Step 3: Cross multiply
    84,603.57x = 126,611.60 × 52,569.49
  4. Step 4: Simplify right side
    84,603.57x = 6,655,906,660.71
  5. Step 5: Solve for x
    x = 6,655,906,660.71/84,603.57
  6. Step 6: Final answer
    x = 78,671.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.