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Finding the Fourth Proportional to 53,995.05, 80,994.48 and 14,553.12

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Solution

The fourth proportional to 53,995.05, 80,994.48 and 14,553.12 is: 21,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.05 : 80,994.48 = 14,553.12 : x
  2. Step 2: Convert to fraction form
    53,995.05/80,994.48 = 14,553.12/x
  3. Step 3: Cross multiply
    53,995.05x = 80,994.48 × 14,553.12
  4. Step 4: Simplify right side
    53,995.05x = 1,178,722,386.78
  5. Step 5: Solve for x
    x = 1,178,722,386.78/53,995.05
  6. Step 6: Final answer
    x = 21,830.19

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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.