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Finding the Fourth Proportional to 68,792.24, 94,943.03 and 38,172.21

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Solution

The fourth proportional to 68,792.24, 94,943.03 and 38,172.21 is: 52,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,792.24 : 94,943.03 = 38,172.21 : x
  2. Step 2: Convert to fraction form
    68,792.24/94,943.03 = 38,172.21/x
  3. Step 3: Cross multiply
    68,792.24x = 94,943.03 × 38,172.21
  4. Step 4: Simplify right side
    68,792.24x = 3,624,185,088.34
  5. Step 5: Solve for x
    x = 3,624,185,088.34/68,792.24
  6. Step 6: Final answer
    x = 52,683.05

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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.