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Finding the Fourth Proportional to 29,426.60, 40,604.01 and 19,359.11

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Solution

The fourth proportional to 29,426.60, 40,604.01 and 19,359.11 is: 26,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,426.60 : 40,604.01 = 19,359.11 : x
  2. Step 2: Convert to fraction form
    29,426.60/40,604.01 = 19,359.11/x
  3. Step 3: Cross multiply
    29,426.60x = 40,604.01 × 19,359.11
  4. Step 4: Simplify right side
    29,426.60x = 786,057,496.03
  5. Step 5: Solve for x
    x = 786,057,496.03/29,426.60
  6. Step 6: Final answer
    x = 26,712.48

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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.