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Finding the Fourth Proportional to 47,333.92, 65,309.16 and 28,932.38

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Solution

The fourth proportional to 47,333.92, 65,309.16 and 28,932.38 is: 39,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,333.92 : 65,309.16 = 28,932.38 : x
  2. Step 2: Convert to fraction form
    47,333.92/65,309.16 = 28,932.38/x
  3. Step 3: Cross multiply
    47,333.92x = 65,309.16 × 28,932.38
  4. Step 4: Simplify right side
    47,333.92x = 1,889,549,434.60
  5. Step 5: Solve for x
    x = 1,889,549,434.60/47,333.92
  6. Step 6: Final answer
    x = 39,919.56

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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.