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Finding the Fourth Proportional to 65,582.79, 90,496.04 and 36,898.92

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Solution

The fourth proportional to 65,582.79, 90,496.04 and 36,898.92 is: 50,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,582.79 : 90,496.04 = 36,898.92 : x
  2. Step 2: Convert to fraction form
    65,582.79/90,496.04 = 36,898.92/x
  3. Step 3: Cross multiply
    65,582.79x = 90,496.04 × 36,898.92
  4. Step 4: Simplify right side
    65,582.79x = 3,339,205,955.78
  5. Step 5: Solve for x
    x = 3,339,205,955.78/65,582.79
  6. Step 6: Final answer
    x = 50,915.89

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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.