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Finding the Fourth Proportional to 29,663.42, 40,924.04 and 18,313.19

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Solution

The fourth proportional to 29,663.42, 40,924.04 and 18,313.19 is: 25,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.42 : 40,924.04 = 18,313.19 : x
  2. Step 2: Convert to fraction form
    29,663.42/40,924.04 = 18,313.19/x
  3. Step 3: Cross multiply
    29,663.42x = 40,924.04 × 18,313.19
  4. Step 4: Simplify right side
    29,663.42x = 749,449,577.37
  5. Step 5: Solve for x
    x = 749,449,577.37/29,663.42
  6. Step 6: Final answer
    x = 25,265.11

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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.