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Finding the Fourth Proportional to 92,457.74, 138,694.36 and 25,897.81

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Solution

The fourth proportional to 92,457.74, 138,694.36 and 25,897.81 is: 38,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,457.74 : 138,694.36 = 25,897.81 : x
  2. Step 2: Convert to fraction form
    92,457.74/138,694.36 = 25,897.81/x
  3. Step 3: Cross multiply
    92,457.74x = 138,694.36 × 25,897.81
  4. Step 4: Simplify right side
    92,457.74x = 3,591,880,183.35
  5. Step 5: Solve for x
    x = 3,591,880,183.35/92,457.74
  6. Step 6: Final answer
    x = 38,848.89

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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.