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Finding the Fourth Proportional to 39,604.25, 59,401.42 and 12,948.01

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Solution

The fourth proportional to 39,604.25, 59,401.42 and 12,948.01 is: 19,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,604.25 : 59,401.42 = 12,948.01 : x
  2. Step 2: Convert to fraction form
    39,604.25/59,401.42 = 12,948.01/x
  3. Step 3: Cross multiply
    39,604.25x = 59,401.42 × 12,948.01
  4. Step 4: Simplify right side
    39,604.25x = 769,130,180.17
  5. Step 5: Solve for x
    x = 769,130,180.17/39,604.25
  6. Step 6: Final answer
    x = 19,420.40

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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.