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Finding the Fourth Proportional to 52,710.99, 79,066.56 and 21,546.24

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Solution

The fourth proportional to 52,710.99, 79,066.56 and 21,546.24 is: 32,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.99 : 79,066.56 = 21,546.24 : x
  2. Step 2: Convert to fraction form
    52,710.99/79,066.56 = 21,546.24/x
  3. Step 3: Cross multiply
    52,710.99x = 79,066.56 × 21,546.24
  4. Step 4: Simplify right side
    52,710.99x = 1,703,587,077.73
  5. Step 5: Solve for x
    x = 1,703,587,077.73/52,710.99
  6. Step 6: Final answer
    x = 32,319.39

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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.