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Finding the Fourth Proportional to 82,628.55, 114,026.85 and 44,902.80

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Solution

The fourth proportional to 82,628.55, 114,026.85 and 44,902.80 is: 61,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,628.55 : 114,026.85 = 44,902.80 : x
  2. Step 2: Convert to fraction form
    82,628.55/114,026.85 = 44,902.80/x
  3. Step 3: Cross multiply
    82,628.55x = 114,026.85 × 44,902.80
  4. Step 4: Simplify right side
    82,628.55x = 5,120,124,840.18
  5. Step 5: Solve for x
    x = 5,120,124,840.18/82,628.55
  6. Step 6: Final answer
    x = 61,965.57

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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.