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Finding the Fourth Proportional to 9,774.40, 14,656.20 and 3,197.20

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Solution

The fourth proportional to 9,774.40, 14,656.20 and 3,197.20 is: 4,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774.40 : 14,656.20 = 3,197.20 : x
  2. Step 2: Convert to fraction form
    9,774.40/14,656.20 = 3,197.20/x
  3. Step 3: Cross multiply
    9,774.40x = 14,656.20 × 3,197.20
  4. Step 4: Simplify right side
    9,774.40x = 46,858,802.64
  5. Step 5: Solve for x
    x = 46,858,802.64/9,774.40
  6. Step 6: Final answer
    x = 4,794.03

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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.