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Finding the Fourth Proportional to 12,473.01, 17,212.77 and 6,884.01

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Solution

The fourth proportional to 12,473.01, 17,212.77 and 6,884.01 is: 9,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.01 : 17,212.77 = 6,884.01 : x
  2. Step 2: Convert to fraction form
    12,473.01/17,212.77 = 6,884.01/x
  3. Step 3: Cross multiply
    12,473.01x = 17,212.77 × 6,884.01
  4. Step 4: Simplify right side
    12,473.01x = 118,492,880.81
  5. Step 5: Solve for x
    x = 118,492,880.81/12,473.01
  6. Step 6: Final answer
    x = 9,499.94

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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.