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Finding the Fourth Proportional to 68,059.24, 93,925.38 and 39,763.24

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Solution

The fourth proportional to 68,059.24, 93,925.38 and 39,763.24 is: 54,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,059.24 : 93,925.38 = 39,763.24 : x
  2. Step 2: Convert to fraction form
    68,059.24/93,925.38 = 39,763.24/x
  3. Step 3: Cross multiply
    68,059.24x = 93,925.38 × 39,763.24
  4. Step 4: Simplify right side
    68,059.24x = 3,734,777,427.03
  5. Step 5: Solve for x
    x = 3,734,777,427.03/68,059.24
  6. Step 6: Final answer
    x = 54,875.39

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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.