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Finding the Fourth Proportional to 68,475.92, 94,495.64 and 38,261.68

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Solution

The fourth proportional to 68,475.92, 94,495.64 and 38,261.68 is: 52,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,475.92 : 94,495.64 = 38,261.68 : x
  2. Step 2: Convert to fraction form
    68,475.92/94,495.64 = 38,261.68/x
  3. Step 3: Cross multiply
    68,475.92x = 94,495.64 × 38,261.68
  4. Step 4: Simplify right side
    68,475.92x = 3,615,561,939.08
  5. Step 5: Solve for x
    x = 3,615,561,939.08/68,475.92
  6. Step 6: Final answer
    x = 52,800.49

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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.