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Finding the Fourth Proportional to 39,195.25, 58,802.64 and 11,493.25

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Solution

The fourth proportional to 39,195.25, 58,802.64 and 11,493.25 is: 17,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195.25 : 58,802.64 = 11,493.25 : x
  2. Step 2: Convert to fraction form
    39,195.25/58,802.64 = 11,493.25/x
  3. Step 3: Cross multiply
    39,195.25x = 58,802.64 × 11,493.25
  4. Step 4: Simplify right side
    39,195.25x = 675,833,442.18
  5. Step 5: Solve for x
    x = 675,833,442.18/39,195.25
  6. Step 6: Final answer
    x = 17,242.74

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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.