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Finding the Fourth Proportional to 29,463.19, 40,673.14 and 18,858.98

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Solution

The fourth proportional to 29,463.19, 40,673.14 and 18,858.98 is: 26,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,463.19 : 40,673.14 = 18,858.98 : x
  2. Step 2: Convert to fraction form
    29,463.19/40,673.14 = 18,858.98/x
  3. Step 3: Cross multiply
    29,463.19x = 40,673.14 × 18,858.98
  4. Step 4: Simplify right side
    29,463.19x = 767,053,759.55
  5. Step 5: Solve for x
    x = 767,053,759.55/29,463.19
  6. Step 6: Final answer
    x = 26,034.31

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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.