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Finding the Fourth Proportional to 57,058.47, 78,746.57 and 32,860.22

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Solution

The fourth proportional to 57,058.47, 78,746.57 and 32,860.22 is: 45,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.47 : 78,746.57 = 32,860.22 : x
  2. Step 2: Convert to fraction form
    57,058.47/78,746.57 = 32,860.22/x
  3. Step 3: Cross multiply
    57,058.47x = 78,746.57 × 32,860.22
  4. Step 4: Simplify right side
    57,058.47x = 2,587,629,450.14
  5. Step 5: Solve for x
    x = 2,587,629,450.14/57,058.47
  6. Step 6: Final answer
    x = 45,350.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.