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Finding the Fourth Proportional to 39,069, 58,606.40 and 15,695.51

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Solution

The fourth proportional to 39,069, 58,606.40 and 15,695.51 is: 23,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,069 : 58,606.40 = 15,695.51 : x
  2. Step 2: Convert to fraction form
    39,069/58,606.40 = 15,695.51/x
  3. Step 3: Cross multiply
    39,069x = 58,606.40 × 15,695.51
  4. Step 4: Simplify right side
    39,069x = 919,857,083.47
  5. Step 5: Solve for x
    x = 919,857,083.47/39,069
  6. Step 6: Final answer
    x = 23,544.42

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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.