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Finding the Fourth Proportional to 68,574.07, 94,640.97 and 38,361.07

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Solution

The fourth proportional to 68,574.07, 94,640.97 and 38,361.07 is: 52,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,574.07 : 94,640.97 = 38,361.07 : x
  2. Step 2: Convert to fraction form
    68,574.07/94,640.97 = 38,361.07/x
  3. Step 3: Cross multiply
    68,574.07x = 94,640.97 × 38,361.07
  4. Step 4: Simplify right side
    68,574.07x = 3,630,528,875.04
  5. Step 5: Solve for x
    x = 3,630,528,875.04/68,574.07
  6. Step 6: Final answer
    x = 52,943.17

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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.