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Finding the Fourth Proportional to 9,641.80, 14,453.10 and 4,438.60

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Solution

The fourth proportional to 9,641.80, 14,453.10 and 4,438.60 is: 6,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641.80 : 14,453.10 = 4,438.60 : x
  2. Step 2: Convert to fraction form
    9,641.80/14,453.10 = 4,438.60/x
  3. Step 3: Cross multiply
    9,641.80x = 14,453.10 × 4,438.60
  4. Step 4: Simplify right side
    9,641.80x = 64,151,529.66
  5. Step 5: Solve for x
    x = 64,151,529.66/9,641.80
  6. Step 6: Final answer
    x = 6,653.48

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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.