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Finding the Fourth Proportional to 47,330.92, 65,305.02 and 28,929.37

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Solution

The fourth proportional to 47,330.92, 65,305.02 and 28,929.37 is: 39,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,330.92 : 65,305.02 = 28,929.37 : x
  2. Step 2: Convert to fraction form
    47,330.92/65,305.02 = 28,929.37/x
  3. Step 3: Cross multiply
    47,330.92x = 65,305.02 × 28,929.37
  4. Step 4: Simplify right side
    47,330.92x = 1,889,233,086.44
  5. Step 5: Solve for x
    x = 1,889,233,086.44/47,330.92
  6. Step 6: Final answer
    x = 39,915.41

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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.