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Finding the Fourth Proportional to 9,272.94, 12,797.73 and 5,294.63

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Solution

The fourth proportional to 9,272.94, 12,797.73 and 5,294.63 is: 7,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.94 : 12,797.73 = 5,294.63 : x
  2. Step 2: Convert to fraction form
    9,272.94/12,797.73 = 5,294.63/x
  3. Step 3: Cross multiply
    9,272.94x = 12,797.73 × 5,294.63
  4. Step 4: Simplify right side
    9,272.94x = 67,759,181.20
  5. Step 5: Solve for x
    x = 67,759,181.20/9,272.94
  6. Step 6: Final answer
    x = 7,307.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.