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Finding the Fourth Proportional to 73,539.36, 101,587.68 and 65,579.04

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Solution

The fourth proportional to 73,539.36, 101,587.68 and 65,579.04 is: 90,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,539.36 : 101,587.68 = 65,579.04 : x
  2. Step 2: Convert to fraction form
    73,539.36/101,587.68 = 65,579.04/x
  3. Step 3: Cross multiply
    73,539.36x = 101,587.68 × 65,579.04
  4. Step 4: Simplify right side
    73,539.36x = 6,662,022,530.23
  5. Step 5: Solve for x
    x = 6,662,022,530.23/73,539.36
  6. Step 6: Final answer
    x = 90,591.25

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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.