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Finding the Fourth Proportional to 66,969.59, 100,384.52 and 22,581.08

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Solution

The fourth proportional to 66,969.59, 100,384.52 and 22,581.08 is: 33,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,969.59 : 100,384.52 = 22,581.08 : x
  2. Step 2: Convert to fraction form
    66,969.59/100,384.52 = 22,581.08/x
  3. Step 3: Cross multiply
    66,969.59x = 100,384.52 × 22,581.08
  4. Step 4: Simplify right side
    66,969.59x = 2,266,790,638.50
  5. Step 5: Solve for x
    x = 2,266,790,638.50/66,969.59
  6. Step 6: Final answer
    x = 33,848.06

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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.