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Finding the Fourth Proportional to 47,203.81, 70,788.85 and 15,608.04

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Solution

The fourth proportional to 47,203.81, 70,788.85 and 15,608.04 is: 23,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,203.81 : 70,788.85 = 15,608.04 : x
  2. Step 2: Convert to fraction form
    47,203.81/70,788.85 = 15,608.04/x
  3. Step 3: Cross multiply
    47,203.81x = 70,788.85 × 15,608.04
  4. Step 4: Simplify right side
    47,203.81x = 1,104,875,019.37
  5. Step 5: Solve for x
    x = 1,104,875,019.37/47,203.81
  6. Step 6: Final answer
    x = 23,406.48

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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.