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Finding the Fourth Proportional to 21,601.01, 29,808.43 and 12,041.94

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Solution

The fourth proportional to 21,601.01, 29,808.43 and 12,041.94 is: 16,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.01 : 29,808.43 = 12,041.94 : x
  2. Step 2: Convert to fraction form
    21,601.01/29,808.43 = 12,041.94/x
  3. Step 3: Cross multiply
    21,601.01x = 29,808.43 × 12,041.94
  4. Step 4: Simplify right side
    21,601.01x = 358,951,325.55
  5. Step 5: Solve for x
    x = 358,951,325.55/21,601.01
  6. Step 6: Final answer
    x = 16,617.34

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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.