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Finding the Fourth Proportional to 66,033.69, 99,047.08 and 21,654.60

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Solution

The fourth proportional to 66,033.69, 99,047.08 and 21,654.60 is: 32,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033.69 : 99,047.08 = 21,654.60 : x
  2. Step 2: Convert to fraction form
    66,033.69/99,047.08 = 21,654.60/x
  3. Step 3: Cross multiply
    66,033.69x = 99,047.08 × 21,654.60
  4. Step 4: Simplify right side
    66,033.69x = 2,144,824,898.57
  5. Step 5: Solve for x
    x = 2,144,824,898.57/66,033.69
  6. Step 6: Final answer
    x = 32,480.77

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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.