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Finding the Fourth Proportional to 66,712.40, 100,059.96 and 25,154

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Solution

The fourth proportional to 66,712.40, 100,059.96 and 25,154 is: 37,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,712.40 : 100,059.96 = 25,154 : x
  2. Step 2: Convert to fraction form
    66,712.40/100,059.96 = 25,154/x
  3. Step 3: Cross multiply
    66,712.40x = 100,059.96 × 25,154
  4. Step 4: Simplify right side
    66,712.40x = 2,516,908,233.84
  5. Step 5: Solve for x
    x = 2,516,908,233.84/66,712.40
  6. Step 6: Final answer
    x = 37,727.74

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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.