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Finding the Fourth Proportional to 35,219.46, 48,601.54 and 21,071.46

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Solution

The fourth proportional to 35,219.46, 48,601.54 and 21,071.46 is: 29,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219.46 : 48,601.54 = 21,071.46 : x
  2. Step 2: Convert to fraction form
    35,219.46/48,601.54 = 21,071.46/x
  3. Step 3: Cross multiply
    35,219.46x = 48,601.54 × 21,071.46
  4. Step 4: Simplify right side
    35,219.46x = 1,024,105,406.05
  5. Step 5: Solve for x
    x = 1,024,105,406.05/35,219.46
  6. Step 6: Final answer
    x = 29,077.83

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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.