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Finding the Fourth Proportional to 46,483.35, 69,695.46 and 21,489.99

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Solution

The fourth proportional to 46,483.35, 69,695.46 and 21,489.99 is: 32,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,483.35 : 69,695.46 = 21,489.99 : x
  2. Step 2: Convert to fraction form
    46,483.35/69,695.46 = 21,489.99/x
  3. Step 3: Cross multiply
    46,483.35x = 69,695.46 × 21,489.99
  4. Step 4: Simplify right side
    46,483.35x = 1,497,754,738.45
  5. Step 5: Solve for x
    x = 1,497,754,738.45/46,483.35
  6. Step 6: Final answer
    x = 32,221.32

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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.