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Finding the Fourth Proportional to 10,671.84, 15,998.08 and 3,742.56

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Solution

The fourth proportional to 10,671.84, 15,998.08 and 3,742.56 is: 5,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.84 : 15,998.08 = 3,742.56 : x
  2. Step 2: Convert to fraction form
    10,671.84/15,998.08 = 3,742.56/x
  3. Step 3: Cross multiply
    10,671.84x = 15,998.08 × 3,742.56
  4. Step 4: Simplify right side
    10,671.84x = 59,873,774.28
  5. Step 5: Solve for x
    x = 59,873,774.28/10,671.84
  6. Step 6: Final answer
    x = 5,610.45

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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.