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Finding the Fourth Proportional to 45,509.58, 68,253.84 and 17,419.59

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Solution

The fourth proportional to 45,509.58, 68,253.84 and 17,419.59 is: 26,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,509.58 : 68,253.84 = 17,419.59 : x
  2. Step 2: Convert to fraction form
    45,509.58/68,253.84 = 17,419.59/x
  3. Step 3: Cross multiply
    45,509.58x = 68,253.84 × 17,419.59
  4. Step 4: Simplify right side
    45,509.58x = 1,188,953,908.73
  5. Step 5: Solve for x
    x = 1,188,953,908.73/45,509.58
  6. Step 6: Final answer
    x = 26,125.35

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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.