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Finding the Fourth Proportional to 53,403.98, 80,099.01 and 13,964.13

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Solution

The fourth proportional to 53,403.98, 80,099.01 and 13,964.13 is: 20,944.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.98 : 80,099.01 = 13,964.13 : x
  2. Step 2: Convert to fraction form
    53,403.98/80,099.01 = 13,964.13/x
  3. Step 3: Cross multiply
    53,403.98x = 80,099.01 × 13,964.13
  4. Step 4: Simplify right side
    53,403.98x = 1,118,512,988.51
  5. Step 5: Solve for x
    x = 1,118,512,988.51/53,403.98
  6. Step 6: Final answer
    x = 20,944.38

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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.