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Finding the Fourth Proportional to 9,768.76, 13,483.30 and 5,579.44

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Solution

The fourth proportional to 9,768.76, 13,483.30 and 5,579.44 is: 7,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.76 : 13,483.30 = 5,579.44 : x
  2. Step 2: Convert to fraction form
    9,768.76/13,483.30 = 5,579.44/x
  3. Step 3: Cross multiply
    9,768.76x = 13,483.30 × 5,579.44
  4. Step 4: Simplify right side
    9,768.76x = 75,229,263.35
  5. Step 5: Solve for x
    x = 75,229,263.35/9,768.76
  6. Step 6: Final answer
    x = 7,701.00

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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.