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Finding the Fourth Proportional to 16,969.93, 23,419.04 and 9,416.81

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Solution

The fourth proportional to 16,969.93, 23,419.04 and 9,416.81 is: 12,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.93 : 23,419.04 = 9,416.81 : x
  2. Step 2: Convert to fraction form
    16,969.93/23,419.04 = 9,416.81/x
  3. Step 3: Cross multiply
    16,969.93x = 23,419.04 × 9,416.81
  4. Step 4: Simplify right side
    16,969.93x = 220,532,661.53
  5. Step 5: Solve for x
    x = 220,532,661.53/16,969.93
  6. Step 6: Final answer
    x = 12,995.50

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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.