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Finding the Fourth Proportional to 29,342.42, 40,488.82 and 17,403.42

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Solution

The fourth proportional to 29,342.42, 40,488.82 and 17,403.42 is: 24,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.42 : 40,488.82 = 17,403.42 : x
  2. Step 2: Convert to fraction form
    29,342.42/40,488.82 = 17,403.42/x
  3. Step 3: Cross multiply
    29,342.42x = 40,488.82 × 17,403.42
  4. Step 4: Simplify right side
    29,342.42x = 704,643,939.76
  5. Step 5: Solve for x
    x = 704,643,939.76/29,342.42
  6. Step 6: Final answer
    x = 24,014.52

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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.