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Finding the Fourth Proportional to 66,244.44, 99,366.66 and 38,523

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Solution

The fourth proportional to 66,244.44, 99,366.66 and 38,523 is: 57,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,244.44 : 99,366.66 = 38,523 : x
  2. Step 2: Convert to fraction form
    66,244.44/99,366.66 = 38,523/x
  3. Step 3: Cross multiply
    66,244.44x = 99,366.66 × 38,523
  4. Step 4: Simplify right side
    66,244.44x = 3,827,901,843.18
  5. Step 5: Solve for x
    x = 3,827,901,843.18/66,244.44
  6. Step 6: Final answer
    x = 57,784.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.