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Finding the Fourth Proportional to 66,690.54, 92,032.20 and 36,476.73

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Solution

The fourth proportional to 66,690.54, 92,032.20 and 36,476.73 is: 50,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,690.54 : 92,032.20 = 36,476.73 : x
  2. Step 2: Convert to fraction form
    66,690.54/92,032.20 = 36,476.73/x
  3. Step 3: Cross multiply
    66,690.54x = 92,032.20 × 36,476.73
  4. Step 4: Simplify right side
    66,690.54x = 3,357,033,710.71
  5. Step 5: Solve for x
    x = 3,357,033,710.71/66,690.54
  6. Step 6: Final answer
    x = 50,337.48

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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.