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Finding the Fourth Proportional to 12,266.34, 18,394.95 and 4,868.58

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Solution

The fourth proportional to 12,266.34, 18,394.95 and 4,868.58 is: 7,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.34 : 18,394.95 = 4,868.58 : x
  2. Step 2: Convert to fraction form
    12,266.34/18,394.95 = 4,868.58/x
  3. Step 3: Cross multiply
    12,266.34x = 18,394.95 × 4,868.58
  4. Step 4: Simplify right side
    12,266.34x = 89,557,285.67
  5. Step 5: Solve for x
    x = 89,557,285.67/12,266.34
  6. Step 6: Final answer
    x = 7,301.06

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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.