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Finding the Fourth Proportional to 29,421, 40,573.04 and 19,357.98

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Solution

The fourth proportional to 29,421, 40,573.04 and 19,357.98 is: 26,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421 : 40,573.04 = 19,357.98 : x
  2. Step 2: Convert to fraction form
    29,421/40,573.04 = 19,357.98/x
  3. Step 3: Cross multiply
    29,421x = 40,573.04 × 19,357.98
  4. Step 4: Simplify right side
    29,421x = 785,412,096.86
  5. Step 5: Solve for x
    x = 785,412,096.86/29,421
  6. Step 6: Final answer
    x = 26,695.63

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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.