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Finding the Fourth Proportional to 16,968.03, 23,416.98 and 9,415.05

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Solution

The fourth proportional to 16,968.03, 23,416.98 and 9,415.05 is: 12,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.03 : 23,416.98 = 9,415.05 : x
  2. Step 2: Convert to fraction form
    16,968.03/23,416.98 = 9,415.05/x
  3. Step 3: Cross multiply
    16,968.03x = 23,416.98 × 9,415.05
  4. Step 4: Simplify right side
    16,968.03x = 220,472,037.55
  5. Step 5: Solve for x
    x = 220,472,037.55/16,968.03
  6. Step 6: Final answer
    x = 12,993.38

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Half scale
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Double scale
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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.