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Finding the Fourth Proportional to 9,029.60, 13,544.40 and 7,493.60

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Solution

The fourth proportional to 9,029.60, 13,544.40 and 7,493.60 is: 11,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.60 : 13,544.40 = 7,493.60 : x
  2. Step 2: Convert to fraction form
    9,029.60/13,544.40 = 7,493.60/x
  3. Step 3: Cross multiply
    9,029.60x = 13,544.40 × 7,493.60
  4. Step 4: Simplify right side
    9,029.60x = 101,496,315.84
  5. Step 5: Solve for x
    x = 101,496,315.84/9,029.60
  6. Step 6: Final answer
    x = 11,240.40

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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.