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Finding the Fourth Proportional to 45,640.17, 68,466.03 and 15,660.25

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Solution

The fourth proportional to 45,640.17, 68,466.03 and 15,660.25 is: 23,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,640.17 : 68,466.03 = 15,660.25 : x
  2. Step 2: Convert to fraction form
    45,640.17/68,466.03 = 15,660.25/x
  3. Step 3: Cross multiply
    45,640.17x = 68,466.03 × 15,660.25
  4. Step 4: Simplify right side
    45,640.17x = 1,072,194,916.42
  5. Step 5: Solve for x
    x = 1,072,194,916.42/45,640.17
  6. Step 6: Final answer
    x = 23,492.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.