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Finding the Fourth Proportional to 66,774.84, 92,145.78 and 36,554.38

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Solution

The fourth proportional to 66,774.84, 92,145.78 and 36,554.38 is: 50,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,774.84 : 92,145.78 = 36,554.38 : x
  2. Step 2: Convert to fraction form
    66,774.84/92,145.78 = 36,554.38/x
  3. Step 3: Cross multiply
    66,774.84x = 92,145.78 × 36,554.38
  4. Step 4: Simplify right side
    66,774.84x = 3,368,331,857.52
  5. Step 5: Solve for x
    x = 3,368,331,857.52/66,774.84
  6. Step 6: Final answer
    x = 50,443.13

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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.