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Finding the Fourth Proportional to 36,590.30, 50,491.99 and 21,483.58

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Solution

The fourth proportional to 36,590.30, 50,491.99 and 21,483.58 is: 29,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,590.30 : 50,491.99 = 21,483.58 : x
  2. Step 2: Convert to fraction form
    36,590.30/50,491.99 = 21,483.58/x
  3. Step 3: Cross multiply
    36,590.30x = 50,491.99 × 21,483.58
  4. Step 4: Simplify right side
    36,590.30x = 1,084,748,706.52
  5. Step 5: Solve for x
    x = 1,084,748,706.52/36,590.30
  6. Step 6: Final answer
    x = 29,645.80

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1.5x scale

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.