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Finding the Fourth Proportional to 73,509.48, 101,452.77 and 71,507.97

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Solution

The fourth proportional to 73,509.48, 101,452.77 and 71,507.97 is: 98,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,509.48 : 101,452.77 = 71,507.97 : x
  2. Step 2: Convert to fraction form
    73,509.48/101,452.77 = 71,507.97/x
  3. Step 3: Cross multiply
    73,509.48x = 101,452.77 × 71,507.97
  4. Step 4: Simplify right side
    73,509.48x = 7,254,681,633.58
  5. Step 5: Solve for x
    x = 7,254,681,633.58/73,509.48
  6. Step 6: Final answer
    x = 98,690.42

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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.