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Finding the Fourth Proportional to 57,383.64, 86,073.10 and 19,952.19

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Solution

The fourth proportional to 57,383.64, 86,073.10 and 19,952.19 is: 29,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.64 : 86,073.10 = 19,952.19 : x
  2. Step 2: Convert to fraction form
    57,383.64/86,073.10 = 19,952.19/x
  3. Step 3: Cross multiply
    57,383.64x = 86,073.10 × 19,952.19
  4. Step 4: Simplify right side
    57,383.64x = 1,717,346,795.21
  5. Step 5: Solve for x
    x = 1,717,346,795.21/57,383.64
  6. Step 6: Final answer
    x = 29,927.46

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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.