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Finding the Fourth Proportional to 29,403.84, 40,583.72 and 18,083.08

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Solution

The fourth proportional to 29,403.84, 40,583.72 and 18,083.08 is: 24,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,403.84 : 40,583.72 = 18,083.08 : x
  2. Step 2: Convert to fraction form
    29,403.84/40,583.72 = 18,083.08/x
  3. Step 3: Cross multiply
    29,403.84x = 40,583.72 × 18,083.08
  4. Step 4: Simplify right side
    29,403.84x = 733,878,362.12
  5. Step 5: Solve for x
    x = 733,878,362.12/29,403.84
  6. Step 6: Final answer
    x = 24,958.59

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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.