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Finding the Fourth Proportional to 35,443.53, 48,914.12 and 20,336.06

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Solution

The fourth proportional to 35,443.53, 48,914.12 and 20,336.06 is: 28,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.53 : 48,914.12 = 20,336.06 : x
  2. Step 2: Convert to fraction form
    35,443.53/48,914.12 = 20,336.06/x
  3. Step 3: Cross multiply
    35,443.53x = 48,914.12 × 20,336.06
  4. Step 4: Simplify right side
    35,443.53x = 994,720,652.29
  5. Step 5: Solve for x
    x = 994,720,652.29/35,443.53
  6. Step 6: Final answer
    x = 28,064.94

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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.