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Finding the Fourth Proportional to 58,249.79, 80,365.37 and 47,476.16

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Solution

The fourth proportional to 58,249.79, 80,365.37 and 47,476.16 is: 65,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,249.79 : 80,365.37 = 47,476.16 : x
  2. Step 2: Convert to fraction form
    58,249.79/80,365.37 = 47,476.16/x
  3. Step 3: Cross multiply
    58,249.79x = 80,365.37 × 47,476.16
  4. Step 4: Simplify right side
    58,249.79x = 3,815,438,525.37
  5. Step 5: Solve for x
    x = 3,815,438,525.37/58,249.79
  6. Step 6: Final answer
    x = 65,501.33

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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.