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Finding the Fourth Proportional to 68,516.79, 94,553.67 and 38,303.34

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Solution

The fourth proportional to 68,516.79, 94,553.67 and 38,303.34 is: 52,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,516.79 : 94,553.67 = 38,303.34 : x
  2. Step 2: Convert to fraction form
    68,516.79/94,553.67 = 38,303.34/x
  3. Step 3: Cross multiply
    68,516.79x = 94,553.67 × 38,303.34
  4. Step 4: Simplify right side
    68,516.79x = 3,621,721,370.26
  5. Step 5: Solve for x
    x = 3,621,721,370.26/68,516.79
  6. Step 6: Final answer
    x = 52,858.89

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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.