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Finding the Fourth Proportional to 15,374.51, 23,069.05 and 9,146.82

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Solution

The fourth proportional to 15,374.51, 23,069.05 and 9,146.82 is: 13,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.51 : 23,069.05 = 9,146.82 : x
  2. Step 2: Convert to fraction form
    15,374.51/23,069.05 = 9,146.82/x
  3. Step 3: Cross multiply
    15,374.51x = 23,069.05 × 9,146.82
  4. Step 4: Simplify right side
    15,374.51x = 211,008,517.03
  5. Step 5: Solve for x
    x = 211,008,517.03/15,374.51
  6. Step 6: Final answer
    x = 13,724.57

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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.