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Finding the Fourth Proportional to 66,297.88, 91,493.03 and 36,085.16

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Solution

The fourth proportional to 66,297.88, 91,493.03 and 36,085.16 is: 49,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,297.88 : 91,493.03 = 36,085.16 : x
  2. Step 2: Convert to fraction form
    66,297.88/91,493.03 = 36,085.16/x
  3. Step 3: Cross multiply
    66,297.88x = 91,493.03 × 36,085.16
  4. Step 4: Simplify right side
    66,297.88x = 3,301,540,508.65
  5. Step 5: Solve for x
    x = 3,301,540,508.65/66,297.88
  6. Step 6: Final answer
    x = 49,798.58

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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.