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Finding the Fourth Proportional to 18,130.24, 25,017.92 and 10,577.28

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Solution

The fourth proportional to 18,130.24, 25,017.92 and 10,577.28 is: 14,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.24 : 25,017.92 = 10,577.28 : x
  2. Step 2: Convert to fraction form
    18,130.24/25,017.92 = 10,577.28/x
  3. Step 3: Cross multiply
    18,130.24x = 25,017.92 × 10,577.28
  4. Step 4: Simplify right side
    18,130.24x = 264,621,544.86
  5. Step 5: Solve for x
    x = 264,621,544.86/18,130.24
  6. Step 6: Final answer
    x = 14,595.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.