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Finding the Fourth Proportional to 39,240.60, 58,859.60 and 17,054.00

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Solution

The fourth proportional to 39,240.60, 58,859.60 and 17,054.00 is: 25,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.60 : 58,859.60 = 17,054.00 : x
  2. Step 2: Convert to fraction form
    39,240.60/58,859.60 = 17,054.00/x
  3. Step 3: Cross multiply
    39,240.60x = 58,859.60 × 17,054.00
  4. Step 4: Simplify right side
    39,240.60x = 1,003,791,744.23
  5. Step 5: Solve for x
    x = 1,003,791,744.23/39,240.60
  6. Step 6: Final answer
    x = 25,580.44

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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.