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Finding the Fourth Proportional to 8,997.99, 13,496.98 and 5,127.00

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Solution

The fourth proportional to 8,997.99, 13,496.98 and 5,127.00 is: 7,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.99 : 13,496.98 = 5,127.00 : x
  2. Step 2: Convert to fraction form
    8,997.99/13,496.98 = 5,127.00/x
  3. Step 3: Cross multiply
    8,997.99x = 13,496.98 × 5,127.00
  4. Step 4: Simplify right side
    8,997.99x = 69,198,962.64
  5. Step 5: Solve for x
    x = 69,198,962.64/8,997.99
  6. Step 6: Final answer
    x = 7,690.49

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Half scale
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Double scale
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Similar ratio
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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.