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Finding the Fourth Proportional to 9,271.99, 12,807.62 and 6,910.03

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Solution

The fourth proportional to 9,271.99, 12,807.62 and 6,910.03 is: 9,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.99 : 12,807.62 = 6,910.03 : x
  2. Step 2: Convert to fraction form
    9,271.99/12,807.62 = 6,910.03/x
  3. Step 3: Cross multiply
    9,271.99x = 12,807.62 × 6,910.03
  4. Step 4: Simplify right side
    9,271.99x = 88,501,038.43
  5. Step 5: Solve for x
    x = 88,501,038.43/9,271.99
  6. Step 6: Final answer
    x = 9,544.99

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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.