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Finding the Fourth Proportional to 77,593.59, 116,397.09 and 21,433.68

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Solution

The fourth proportional to 77,593.59, 116,397.09 and 21,433.68 is: 32,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,593.59 : 116,397.09 = 21,433.68 : x
  2. Step 2: Convert to fraction form
    77,593.59/116,397.09 = 21,433.68/x
  3. Step 3: Cross multiply
    77,593.59x = 116,397.09 × 21,433.68
  4. Step 4: Simplify right side
    77,593.59x = 2,494,817,979.99
  5. Step 5: Solve for x
    x = 2,494,817,979.99/77,593.59
  6. Step 6: Final answer
    x = 32,152.37

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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.