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Finding the Fourth Proportional to 56,718.63, 85,096.89 and 25,124.40

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Solution

The fourth proportional to 56,718.63, 85,096.89 and 25,124.40 is: 37,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718.63 : 85,096.89 = 25,124.40 : x
  2. Step 2: Convert to fraction form
    56,718.63/85,096.89 = 25,124.40/x
  3. Step 3: Cross multiply
    56,718.63x = 85,096.89 × 25,124.40
  4. Step 4: Simplify right side
    56,718.63x = 2,138,008,303.12
  5. Step 5: Solve for x
    x = 2,138,008,303.12/56,718.63
  6. Step 6: Final answer
    x = 37,694.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.