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Finding the Fourth Proportional to 29,336.58, 40,484.21 and 15,908.13

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Solution

The fourth proportional to 29,336.58, 40,484.21 and 15,908.13 is: 21,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,336.58 : 40,484.21 = 15,908.13 : x
  2. Step 2: Convert to fraction form
    29,336.58/40,484.21 = 15,908.13/x
  3. Step 3: Cross multiply
    29,336.58x = 40,484.21 × 15,908.13
  4. Step 4: Simplify right side
    29,336.58x = 644,027,996.09
  5. Step 5: Solve for x
    x = 644,027,996.09/29,336.58
  6. Step 6: Final answer
    x = 21,953.07

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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.