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Finding the Fourth Proportional to 64,750.78, 89,348.16 and 37,526.71

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Solution

The fourth proportional to 64,750.78, 89,348.16 and 37,526.71 is: 51,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,750.78 : 89,348.16 = 37,526.71 : x
  2. Step 2: Convert to fraction form
    64,750.78/89,348.16 = 37,526.71/x
  3. Step 3: Cross multiply
    64,750.78x = 89,348.16 × 37,526.71
  4. Step 4: Simplify right side
    64,750.78x = 3,352,942,489.35
  5. Step 5: Solve for x
    x = 3,352,942,489.35/64,750.78
  6. Step 6: Final answer
    x = 51,782.27

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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.