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Finding the Fourth Proportional to 13,710.88, 20,562.07 and 4,944.66

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Solution

The fourth proportional to 13,710.88, 20,562.07 and 4,944.66 is: 7,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.88 : 20,562.07 = 4,944.66 : x
  2. Step 2: Convert to fraction form
    13,710.88/20,562.07 = 4,944.66/x
  3. Step 3: Cross multiply
    13,710.88x = 20,562.07 × 4,944.66
  4. Step 4: Simplify right side
    13,710.88x = 101,672,355.58
  5. Step 5: Solve for x
    x = 101,672,355.58/13,710.88
  6. Step 6: Final answer
    x = 7,415.45

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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.