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Finding the Fourth Proportional to 18,472.48, 25,447.48 and 14,694.52

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Solution

The fourth proportional to 18,472.48, 25,447.48 and 14,694.52 is: 20,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.48 : 25,447.48 = 14,694.52 : x
  2. Step 2: Convert to fraction form
    18,472.48/25,447.48 = 14,694.52/x
  3. Step 3: Cross multiply
    18,472.48x = 25,447.48 × 14,694.52
  4. Step 4: Simplify right side
    18,472.48x = 373,938,503.81
  5. Step 5: Solve for x
    x = 373,938,503.81/18,472.48
  6. Step 6: Final answer
    x = 20,243.00

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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.