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Finding the Fourth Proportional to 66,302.25, 91,497.30 and 36,494.25

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Solution

The fourth proportional to 66,302.25, 91,497.30 and 36,494.25 is: 50,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,302.25 : 91,497.30 = 36,494.25 : x
  2. Step 2: Convert to fraction form
    66,302.25/91,497.30 = 36,494.25/x
  3. Step 3: Cross multiply
    66,302.25x = 91,497.30 × 36,494.25
  4. Step 4: Simplify right side
    66,302.25x = 3,339,125,340.53
  5. Step 5: Solve for x
    x = 3,339,125,340.53/66,302.25
  6. Step 6: Final answer
    x = 50,362.17

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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.