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Finding the Fourth Proportional to 45,671.39, 68,460.39 and 25,908.20

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Solution

The fourth proportional to 45,671.39, 68,460.39 and 25,908.20 is: 38,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,671.39 : 68,460.39 = 25,908.20 : x
  2. Step 2: Convert to fraction form
    45,671.39/68,460.39 = 25,908.20/x
  3. Step 3: Cross multiply
    45,671.39x = 68,460.39 × 25,908.20
  4. Step 4: Simplify right side
    45,671.39x = 1,773,685,775.71
  5. Step 5: Solve for x
    x = 1,773,685,775.71/45,671.39
  6. Step 6: Final answer
    x = 38,835.81

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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.