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Finding the Fourth Proportional to 12,265.84, 18,394.20 and 4,868.08

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Solution

The fourth proportional to 12,265.84, 18,394.20 and 4,868.08 is: 7,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.84 : 18,394.20 = 4,868.08 : x
  2. Step 2: Convert to fraction form
    12,265.84/18,394.20 = 4,868.08/x
  3. Step 3: Cross multiply
    12,265.84x = 18,394.20 × 4,868.08
  4. Step 4: Simplify right side
    12,265.84x = 89,544,437.14
  5. Step 5: Solve for x
    x = 89,544,437.14/12,265.84
  6. Step 6: Final answer
    x = 7,300.31

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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.