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Finding the Fourth Proportional to 29,889.92, 41,247.48 and 16,460.48

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Solution

The fourth proportional to 29,889.92, 41,247.48 and 16,460.48 is: 22,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,889.92 : 41,247.48 = 16,460.48 : x
  2. Step 2: Convert to fraction form
    29,889.92/41,247.48 = 16,460.48/x
  3. Step 3: Cross multiply
    29,889.92x = 41,247.48 × 16,460.48
  4. Step 4: Simplify right side
    29,889.92x = 678,953,319.59
  5. Step 5: Solve for x
    x = 678,953,319.59/29,889.92
  6. Step 6: Final answer
    x = 22,715.13

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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.