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Finding the Fourth Proportional to 12,296.99, 18,447.84 and 5,276.00

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Solution

The fourth proportional to 12,296.99, 18,447.84 and 5,276.00 is: 7,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.99 : 18,447.84 = 5,276.00 : x
  2. Step 2: Convert to fraction form
    12,296.99/18,447.84 = 5,276.00/x
  3. Step 3: Cross multiply
    12,296.99x = 18,447.84 × 5,276.00
  4. Step 4: Simplify right side
    12,296.99x = 97,330,849.96
  5. Step 5: Solve for x
    x = 97,330,849.96/12,296.99
  6. Step 6: Final answer
    x = 7,915.01

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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.