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Finding the Fourth Proportional to 66,522.64, 91,800.80 and 36,307.84

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Solution

The fourth proportional to 66,522.64, 91,800.80 and 36,307.84 is: 50,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522.64 : 91,800.80 = 36,307.84 : x
  2. Step 2: Convert to fraction form
    66,522.64/91,800.80 = 36,307.84/x
  3. Step 3: Cross multiply
    66,522.64x = 91,800.80 × 36,307.84
  4. Step 4: Simplify right side
    66,522.64x = 3,333,088,758.27
  5. Step 5: Solve for x
    x = 3,333,088,758.27/66,522.64
  6. Step 6: Final answer
    x = 50,104.58

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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.