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Finding the Fourth Proportional to 74,660.54, 103,031.54 and 41,126.54

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Solution

The fourth proportional to 74,660.54, 103,031.54 and 41,126.54 is: 56,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660.54 : 103,031.54 = 41,126.54 : x
  2. Step 2: Convert to fraction form
    74,660.54/103,031.54 = 41,126.54/x
  3. Step 3: Cross multiply
    74,660.54x = 103,031.54 × 41,126.54
  4. Step 4: Simplify right side
    74,660.54x = 4,237,330,030.28
  5. Step 5: Solve for x
    x = 4,237,330,030.28/74,660.54
  6. Step 6: Final answer
    x = 56,754.62

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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.