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Finding the Fourth Proportional to 21,471.96, 29,597.06 and 16,927.24

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Solution

The fourth proportional to 21,471.96, 29,597.06 and 16,927.24 is: 23,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,471.96 : 29,597.06 = 16,927.24 : x
  2. Step 2: Convert to fraction form
    21,471.96/29,597.06 = 16,927.24/x
  3. Step 3: Cross multiply
    21,471.96x = 29,597.06 × 16,927.24
  4. Step 4: Simplify right side
    21,471.96x = 500,996,537.91
  5. Step 5: Solve for x
    x = 500,996,537.91/21,471.96
  6. Step 6: Final answer
    x = 23,332.59

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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.