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Finding the Fourth Proportional to 68,464.04, 94,477 and 38,243.36

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Solution

The fourth proportional to 68,464.04, 94,477 and 38,243.36 is: 52,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,464.04 : 94,477 = 38,243.36 : x
  2. Step 2: Convert to fraction form
    68,464.04/94,477 = 38,243.36/x
  3. Step 3: Cross multiply
    68,464.04x = 94,477 × 38,243.36
  4. Step 4: Simplify right side
    68,464.04x = 3,613,117,922.72
  5. Step 5: Solve for x
    x = 3,613,117,922.72/68,464.04
  6. Step 6: Final answer
    x = 52,773.95

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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.