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Finding the Fourth Proportional to 25,944.40, 38,916.60 and 17,035.60

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Solution

The fourth proportional to 25,944.40, 38,916.60 and 17,035.60 is: 25,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,944.40 : 38,916.60 = 17,035.60 : x
  2. Step 2: Convert to fraction form
    25,944.40/38,916.60 = 17,035.60/x
  3. Step 3: Cross multiply
    25,944.40x = 38,916.60 × 17,035.60
  4. Step 4: Simplify right side
    25,944.40x = 662,967,630.96
  5. Step 5: Solve for x
    x = 662,967,630.96/25,944.40
  6. Step 6: Final answer
    x = 25,553.40

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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.