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Finding the Fourth Proportional to 84,553.50, 116,679.15 and 46,824.78

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Solution

The fourth proportional to 84,553.50, 116,679.15 and 46,824.78 is: 64,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,553.50 : 116,679.15 = 46,824.78 : x
  2. Step 2: Convert to fraction form
    84,553.50/116,679.15 = 46,824.78/x
  3. Step 3: Cross multiply
    84,553.50x = 116,679.15 × 46,824.78
  4. Step 4: Simplify right side
    84,553.50x = 5,463,475,529.34
  5. Step 5: Solve for x
    x = 5,463,475,529.34/84,553.50
  6. Step 6: Final answer
    x = 64,615.60

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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.