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Finding the Fourth Proportional to 9,365.88, 13,944.44 and 9,235.05

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Solution

The fourth proportional to 9,365.88, 13,944.44 and 9,235.05 is: 13,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.88 : 13,944.44 = 9,235.05 : x
  2. Step 2: Convert to fraction form
    9,365.88/13,944.44 = 9,235.05/x
  3. Step 3: Cross multiply
    9,365.88x = 13,944.44 × 9,235.05
  4. Step 4: Simplify right side
    9,365.88x = 128,777,554.45
  5. Step 5: Solve for x
    x = 128,777,554.45/9,365.88
  6. Step 6: Final answer
    x = 13,749.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.