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Finding the Fourth Proportional to 76,307.27, 105,310.69 and 44,475.48

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Solution

The fourth proportional to 76,307.27, 105,310.69 and 44,475.48 is: 61,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,307.27 : 105,310.69 = 44,475.48 : x
  2. Step 2: Convert to fraction form
    76,307.27/105,310.69 = 44,475.48/x
  3. Step 3: Cross multiply
    76,307.27x = 105,310.69 × 44,475.48
  4. Step 4: Simplify right side
    76,307.27x = 4,683,743,451.74
  5. Step 5: Solve for x
    x = 4,683,743,451.74/76,307.27
  6. Step 6: Final answer
    x = 61,380.05

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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.