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Finding the Fourth Proportional to 17,368.64, 23,968.64 and 9,410.86

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Solution

The fourth proportional to 17,368.64, 23,968.64 and 9,410.86 is: 12,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.64 : 23,968.64 = 9,410.86 : x
  2. Step 2: Convert to fraction form
    17,368.64/23,968.64 = 9,410.86/x
  3. Step 3: Cross multiply
    17,368.64x = 23,968.64 × 9,410.86
  4. Step 4: Simplify right side
    17,368.64x = 225,565,515.43
  5. Step 5: Solve for x
    x = 225,565,515.43/17,368.64
  6. Step 6: Final answer
    x = 12,986.94

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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.