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Finding the Fourth Proportional to 69,993.63, 96,588.77 and 38,161.89

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Solution

The fourth proportional to 69,993.63, 96,588.77 and 38,161.89 is: 52,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,993.63 : 96,588.77 = 38,161.89 : x
  2. Step 2: Convert to fraction form
    69,993.63/96,588.77 = 38,161.89/x
  3. Step 3: Cross multiply
    69,993.63x = 96,588.77 × 38,161.89
  4. Step 4: Simplify right side
    69,993.63x = 3,686,009,825.17
  5. Step 5: Solve for x
    x = 3,686,009,825.17/69,993.63
  6. Step 6: Final answer
    x = 52,662.08

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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.