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Finding the Fourth Proportional to 25,663.47, 38,496.01 and 8,133.45

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Solution

The fourth proportional to 25,663.47, 38,496.01 and 8,133.45 is: 12,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,663.47 : 38,496.01 = 8,133.45 : x
  2. Step 2: Convert to fraction form
    25,663.47/38,496.01 = 8,133.45/x
  3. Step 3: Cross multiply
    25,663.47x = 38,496.01 × 8,133.45
  4. Step 4: Simplify right side
    25,663.47x = 313,105,296.63
  5. Step 5: Solve for x
    x = 313,105,296.63/25,663.47
  6. Step 6: Final answer
    x = 12,200.43

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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.