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Finding the Fourth Proportional to 75,645.91, 113,485.71 and 23,059.49

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Solution

The fourth proportional to 75,645.91, 113,485.71 and 23,059.49 is: 34,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,645.91 : 113,485.71 = 23,059.49 : x
  2. Step 2: Convert to fraction form
    75,645.91/113,485.71 = 23,059.49/x
  3. Step 3: Cross multiply
    75,645.91x = 113,485.71 × 23,059.49
  4. Step 4: Simplify right side
    75,645.91x = 2,616,922,594.89
  5. Step 5: Solve for x
    x = 2,616,922,594.89/75,645.91
  6. Step 6: Final answer
    x = 34,594.37

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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.