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Finding the Fourth Proportional to 51,059.61, 76,579.28 and 48,527.91

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Solution

The fourth proportional to 51,059.61, 76,579.28 and 48,527.91 is: 72,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,059.61 : 76,579.28 = 48,527.91 : x
  2. Step 2: Convert to fraction form
    51,059.61/76,579.28 = 48,527.91/x
  3. Step 3: Cross multiply
    51,059.61x = 76,579.28 × 48,527.91
  4. Step 4: Simplify right side
    51,059.61x = 3,716,232,165.07
  5. Step 5: Solve for x
    x = 3,716,232,165.07/51,059.61
  6. Step 6: Final answer
    x = 72,782.23

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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.