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Finding the Fourth Proportional to 35,950.70, 53,928.78 and 12,250.91

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Solution

The fourth proportional to 35,950.70, 53,928.78 and 12,250.91 is: 18,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,950.70 : 53,928.78 = 12,250.91 : x
  2. Step 2: Convert to fraction form
    35,950.70/53,928.78 = 12,250.91/x
  3. Step 3: Cross multiply
    35,950.70x = 53,928.78 × 12,250.91
  4. Step 4: Simplify right side
    35,950.70x = 660,676,630.19
  5. Step 5: Solve for x
    x = 660,676,630.19/35,950.70
  6. Step 6: Final answer
    x = 18,377.30

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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.