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Finding the Fourth Proportional to 68,255.40, 94,191.48 and 38,041.86

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Solution

The fourth proportional to 68,255.40, 94,191.48 and 38,041.86 is: 52,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,255.40 : 94,191.48 = 38,041.86 : x
  2. Step 2: Convert to fraction form
    68,255.40/94,191.48 = 38,041.86/x
  3. Step 3: Cross multiply
    68,255.40x = 94,191.48 × 38,041.86
  4. Step 4: Simplify right side
    68,255.40x = 3,583,219,095.35
  5. Step 5: Solve for x
    x = 3,583,219,095.35/68,255.40
  6. Step 6: Final answer
    x = 52,497.23

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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.