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Finding the Fourth Proportional to 35,803.46, 49,408.76 and 19,889.40

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Solution

The fourth proportional to 35,803.46, 49,408.76 and 19,889.40 is: 27,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,803.46 : 49,408.76 = 19,889.40 : x
  2. Step 2: Convert to fraction form
    35,803.46/49,408.76 = 19,889.40/x
  3. Step 3: Cross multiply
    35,803.46x = 49,408.76 × 19,889.40
  4. Step 4: Simplify right side
    35,803.46x = 982,710,591.14
  5. Step 5: Solve for x
    x = 982,710,591.14/35,803.46
  6. Step 6: Final answer
    x = 27,447.36

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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.