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Finding the Fourth Proportional to 66,282.66, 91,470.09 and 36,068.10

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Solution

The fourth proportional to 66,282.66, 91,470.09 and 36,068.10 is: 49,773.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,282.66 : 91,470.09 = 36,068.10 : x
  2. Step 2: Convert to fraction form
    66,282.66/91,470.09 = 36,068.10/x
  3. Step 3: Cross multiply
    66,282.66x = 91,470.09 × 36,068.10
  4. Step 4: Simplify right side
    66,282.66x = 3,299,152,659.89
  5. Step 5: Solve for x
    x = 3,299,152,659.89/66,282.66
  6. Step 6: Final answer
    x = 49,773.99

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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.