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Finding the Fourth Proportional to 66,341.25, 99,511.88 and 17,093.25

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Solution

The fourth proportional to 66,341.25, 99,511.88 and 17,093.25 is: 25,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.25 : 99,511.88 = 17,093.25 : x
  2. Step 2: Convert to fraction form
    66,341.25/99,511.88 = 17,093.25/x
  3. Step 3: Cross multiply
    66,341.25x = 99,511.88 × 17,093.25
  4. Step 4: Simplify right side
    66,341.25x = 1,700,981,357.34
  5. Step 5: Solve for x
    x = 1,700,981,357.34/66,341.25
  6. Step 6: Final answer
    x = 25,639.88

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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.