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Finding the Fourth Proportional to 12,298.53, 18,436.71 and 4,505.52

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Solution

The fourth proportional to 12,298.53, 18,436.71 and 4,505.52 is: 6,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.53 : 18,436.71 = 4,505.52 : x
  2. Step 2: Convert to fraction form
    12,298.53/18,436.71 = 4,505.52/x
  3. Step 3: Cross multiply
    12,298.53x = 18,436.71 × 4,505.52
  4. Step 4: Simplify right side
    12,298.53x = 83,066,965.64
  5. Step 5: Solve for x
    x = 83,066,965.64/12,298.53
  6. Step 6: Final answer
    x = 6,754.22

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