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Finding the Fourth Proportional to 12,683.03, 17,484 and 8,894.76

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Solution

The fourth proportional to 12,683.03, 17,484 and 8,894.76 is: 12,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.03 : 17,484 = 8,894.76 : x
  2. Step 2: Convert to fraction form
    12,683.03/17,484 = 8,894.76/x
  3. Step 3: Cross multiply
    12,683.03x = 17,484 × 8,894.76
  4. Step 4: Simplify right side
    12,683.03x = 155,515,983.84
  5. Step 5: Solve for x
    x = 155,515,983.84/12,683.03
  6. Step 6: Final answer
    x = 12,261.74

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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.