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Finding the Fourth Proportional to 46,751.88, 70,129.24 and 15,161.07

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Solution

The fourth proportional to 46,751.88, 70,129.24 and 15,161.07 is: 22,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,751.88 : 70,129.24 = 15,161.07 : x
  2. Step 2: Convert to fraction form
    46,751.88/70,129.24 = 15,161.07/x
  3. Step 3: Cross multiply
    46,751.88x = 70,129.24 × 15,161.07
  4. Step 4: Simplify right side
    46,751.88x = 1,063,234,627.05
  5. Step 5: Solve for x
    x = 1,063,234,627.05/46,751.88
  6. Step 6: Final answer
    x = 22,742.07

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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.