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Finding the Fourth Proportional to 52,658.51, 78,944.02 and 36,818.25

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Solution

The fourth proportional to 52,658.51, 78,944.02 and 36,818.25 is: 55,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,658.51 : 78,944.02 = 36,818.25 : x
  2. Step 2: Convert to fraction form
    52,658.51/78,944.02 = 36,818.25/x
  3. Step 3: Cross multiply
    52,658.51x = 78,944.02 × 36,818.25
  4. Step 4: Simplify right side
    52,658.51x = 2,906,580,276.28
  5. Step 5: Solve for x
    x = 2,906,580,276.28/52,658.51
  6. Step 6: Final answer
    x = 55,196.79

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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.