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Finding the Fourth Proportional to 9,438.54, 14,156.07 and 4,371.54

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Solution

The fourth proportional to 9,438.54, 14,156.07 and 4,371.54 is: 6,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.54 : 14,156.07 = 4,371.54 : x
  2. Step 2: Convert to fraction form
    9,438.54/14,156.07 = 4,371.54/x
  3. Step 3: Cross multiply
    9,438.54x = 14,156.07 × 4,371.54
  4. Step 4: Simplify right side
    9,438.54x = 61,883,826.25
  5. Step 5: Solve for x
    x = 61,883,826.25/9,438.54
  6. Step 6: Final answer
    x = 6,556.50

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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.