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Finding the Fourth Proportional to 65,894.32, 98,841.68 and 15,974.22

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Solution

The fourth proportional to 65,894.32, 98,841.68 and 15,974.22 is: 23,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,894.32 : 98,841.68 = 15,974.22 : x
  2. Step 2: Convert to fraction form
    65,894.32/98,841.68 = 15,974.22/x
  3. Step 3: Cross multiply
    65,894.32x = 98,841.68 × 15,974.22
  4. Step 4: Simplify right side
    65,894.32x = 1,578,918,741.49
  5. Step 5: Solve for x
    x = 1,578,918,741.49/65,894.32
  6. Step 6: Final answer
    x = 23,961.38

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Similar ratio
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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.