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Finding the Fourth Proportional to 29,695.92, 40,980.02 and 16,266.38

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Solution

The fourth proportional to 29,695.92, 40,980.02 and 16,266.38 is: 22,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,695.92 : 40,980.02 = 16,266.38 : x
  2. Step 2: Convert to fraction form
    29,695.92/40,980.02 = 16,266.38/x
  3. Step 3: Cross multiply
    29,695.92x = 40,980.02 × 16,266.38
  4. Step 4: Simplify right side
    29,695.92x = 666,596,577.73
  5. Step 5: Solve for x
    x = 666,596,577.73/29,695.92
  6. Step 6: Final answer
    x = 22,447.41

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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.