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Finding the Fourth Proportional to 66,828.69, 92,223.59 and 36,615.15

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Solution

The fourth proportional to 66,828.69, 92,223.59 and 36,615.15 is: 50,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,828.69 : 92,223.59 = 36,615.15 : x
  2. Step 2: Convert to fraction form
    66,828.69/92,223.59 = 36,615.15/x
  3. Step 3: Cross multiply
    66,828.69x = 92,223.59 × 36,615.15
  4. Step 4: Simplify right side
    66,828.69x = 3,376,780,398.31
  5. Step 5: Solve for x
    x = 3,376,780,398.31/66,828.69
  6. Step 6: Final answer
    x = 50,528.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.