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Finding the Fourth Proportional to 66,892.06, 92,315.19 and 37,084.06

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Solution

The fourth proportional to 66,892.06, 92,315.19 and 37,084.06 is: 51,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,892.06 : 92,315.19 = 37,084.06 : x
  2. Step 2: Convert to fraction form
    66,892.06/92,315.19 = 37,084.06/x
  3. Step 3: Cross multiply
    66,892.06x = 92,315.19 × 37,084.06
  4. Step 4: Simplify right side
    66,892.06x = 3,423,422,044.87
  5. Step 5: Solve for x
    x = 3,423,422,044.87/66,892.06
  6. Step 6: Final answer
    x = 51,178.30

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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.