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Finding the Fourth Proportional to 68,458.95, 94,472.30 and 38,244.70

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Solution

The fourth proportional to 68,458.95, 94,472.30 and 38,244.70 is: 52,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,458.95 : 94,472.30 = 38,244.70 : x
  2. Step 2: Convert to fraction form
    68,458.95/94,472.30 = 38,244.70/x
  3. Step 3: Cross multiply
    68,458.95x = 94,472.30 × 38,244.70
  4. Step 4: Simplify right side
    68,458.95x = 3,613,064,771.81
  5. Step 5: Solve for x
    x = 3,613,064,771.81/68,458.95
  6. Step 6: Final answer
    x = 52,777.10

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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.