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Finding the Fourth Proportional to 68,621.58, 94,622.58 and 44,703.90

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Solution

The fourth proportional to 68,621.58, 94,622.58 and 44,703.90 is: 61,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,621.58 : 94,622.58 = 44,703.90 : x
  2. Step 2: Convert to fraction form
    68,621.58/94,622.58 = 44,703.90/x
  3. Step 3: Cross multiply
    68,621.58x = 94,622.58 × 44,703.90
  4. Step 4: Simplify right side
    68,621.58x = 4,229,998,354.06
  5. Step 5: Solve for x
    x = 4,229,998,354.06/68,621.58
  6. Step 6: Final answer
    x = 61,642.39

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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.