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Finding the Fourth Proportional to 77,752.48, 116,622.60 and 21,593.56

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Solution

The fourth proportional to 77,752.48, 116,622.60 and 21,593.56 is: 32,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,752.48 : 116,622.60 = 21,593.56 : x
  2. Step 2: Convert to fraction form
    77,752.48/116,622.60 = 21,593.56/x
  3. Step 3: Cross multiply
    77,752.48x = 116,622.60 × 21,593.56
  4. Step 4: Simplify right side
    77,752.48x = 2,518,297,110.46
  5. Step 5: Solve for x
    x = 2,518,297,110.46/77,752.48
  6. Step 6: Final answer
    x = 32,388.64

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1.5x scale

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.