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Finding the Fourth Proportional to 18,204.77, 25,125 and 10,248.56

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Solution

The fourth proportional to 18,204.77, 25,125 and 10,248.56 is: 14,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.77 : 25,125 = 10,248.56 : x
  2. Step 2: Convert to fraction form
    18,204.77/25,125 = 10,248.56/x
  3. Step 3: Cross multiply
    18,204.77x = 25,125 × 10,248.56
  4. Step 4: Simplify right side
    18,204.77x = 257,495,070
  5. Step 5: Solve for x
    x = 257,495,070/18,204.77
  6. Step 6: Final answer
    x = 14,144.37

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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.