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Finding the Fourth Proportional to 39,451.50, 59,187.51 and 11,749.50

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Solution

The fourth proportional to 39,451.50, 59,187.51 and 11,749.50 is: 17,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.50 : 59,187.51 = 11,749.50 : x
  2. Step 2: Convert to fraction form
    39,451.50/59,187.51 = 11,749.50/x
  3. Step 3: Cross multiply
    39,451.50x = 59,187.51 × 11,749.50
  4. Step 4: Simplify right side
    39,451.50x = 695,423,648.75
  5. Step 5: Solve for x
    x = 695,423,648.75/39,451.50
  6. Step 6: Final answer
    x = 17,627.31

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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.