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Finding the Fourth Proportional to 39,550.51, 59,319.51 and 13,255.48

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Solution

The fourth proportional to 39,550.51, 59,319.51 and 13,255.48 is: 19,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,550.51 : 59,319.51 = 13,255.48 : x
  2. Step 2: Convert to fraction form
    39,550.51/59,319.51 = 13,255.48/x
  3. Step 3: Cross multiply
    39,550.51x = 59,319.51 × 13,255.48
  4. Step 4: Simplify right side
    39,550.51x = 786,308,578.41
  5. Step 5: Solve for x
    x = 786,308,578.41/39,550.51
  6. Step 6: Final answer
    x = 19,881.12

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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.