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Finding the Fourth Proportional to 65,511.51, 98,267.17 and 20,533.17

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Solution

The fourth proportional to 65,511.51, 98,267.17 and 20,533.17 is: 30,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511.51 : 98,267.17 = 20,533.17 : x
  2. Step 2: Convert to fraction form
    65,511.51/98,267.17 = 20,533.17/x
  3. Step 3: Cross multiply
    65,511.51x = 98,267.17 × 20,533.17
  4. Step 4: Simplify right side
    65,511.51x = 2,017,736,507.03
  5. Step 5: Solve for x
    x = 2,017,736,507.03/65,511.51
  6. Step 6: Final answer
    x = 30,799.73

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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.