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Finding the Fourth Proportional to 29,060.71, 40,093.47 and 18,994.96

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Solution

The fourth proportional to 29,060.71, 40,093.47 and 18,994.96 is: 26,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,060.71 : 40,093.47 = 18,994.96 : x
  2. Step 2: Convert to fraction form
    29,060.71/40,093.47 = 18,994.96/x
  3. Step 3: Cross multiply
    29,060.71x = 40,093.47 × 18,994.96
  4. Step 4: Simplify right side
    29,060.71x = 761,573,858.91
  5. Step 5: Solve for x
    x = 761,573,858.91/29,060.71
  6. Step 6: Final answer
    x = 26,206.31

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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.