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Finding the Fourth Proportional to 68,058.24, 93,924 and 39,762.24

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Solution

The fourth proportional to 68,058.24, 93,924 and 39,762.24 is: 54,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,058.24 : 93,924 = 39,762.24 : x
  2. Step 2: Convert to fraction form
    68,058.24/93,924 = 39,762.24/x
  3. Step 3: Cross multiply
    68,058.24x = 93,924 × 39,762.24
  4. Step 4: Simplify right side
    68,058.24x = 3,734,628,629.76
  5. Step 5: Solve for x
    x = 3,734,628,629.76/68,058.24
  6. Step 6: Final answer
    x = 54,874.01

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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.