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Finding the Fourth Proportional to 66,895.04, 92,315.28 and 37,087.04

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Solution

The fourth proportional to 66,895.04, 92,315.28 and 37,087.04 is: 51,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,895.04 : 92,315.28 = 37,087.04 : x
  2. Step 2: Convert to fraction form
    66,895.04/92,315.28 = 37,087.04/x
  3. Step 3: Cross multiply
    66,895.04x = 92,315.28 × 37,087.04
  4. Step 4: Simplify right side
    66,895.04x = 3,423,700,481.97
  5. Step 5: Solve for x
    x = 3,423,700,481.97/66,895.04
  6. Step 6: Final answer
    x = 51,180.18

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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.