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Finding the Fourth Proportional to 65,535.64, 90,404.70 and 44,322.04

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Solution

The fourth proportional to 65,535.64, 90,404.70 and 44,322.04 is: 61,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,535.64 : 90,404.70 = 44,322.04 : x
  2. Step 2: Convert to fraction form
    65,535.64/90,404.70 = 44,322.04/x
  3. Step 3: Cross multiply
    65,535.64x = 90,404.70 × 44,322.04
  4. Step 4: Simplify right side
    65,535.64x = 4,006,920,729.59
  5. Step 5: Solve for x
    x = 4,006,920,729.59/65,535.64
  6. Step 6: Final answer
    x = 61,141.09

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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.