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Finding the Fourth Proportional to 29,993.63, 45,017.73 and 15,965.42

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Solution

The fourth proportional to 29,993.63, 45,017.73 and 15,965.42 is: 23,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.63 : 45,017.73 = 15,965.42 : x
  2. Step 2: Convert to fraction form
    29,993.63/45,017.73 = 15,965.42/x
  3. Step 3: Cross multiply
    29,993.63x = 45,017.73 × 15,965.42
  4. Step 4: Simplify right side
    29,993.63x = 718,726,741.81
  5. Step 5: Solve for x
    x = 718,726,741.81/29,993.63
  6. Step 6: Final answer
    x = 23,962.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.