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Finding the Fourth Proportional to 68,957.87, 95,166.23 and 38,334.40

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Solution

The fourth proportional to 68,957.87, 95,166.23 and 38,334.40 is: 52,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,957.87 : 95,166.23 = 38,334.40 : x
  2. Step 2: Convert to fraction form
    68,957.87/95,166.23 = 38,334.40/x
  3. Step 3: Cross multiply
    68,957.87x = 95,166.23 × 38,334.40
  4. Step 4: Simplify right side
    68,957.87x = 3,648,139,897.72
  5. Step 5: Solve for x
    x = 3,648,139,897.72/68,957.87
  6. Step 6: Final answer
    x = 52,903.90

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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.