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Finding the Fourth Proportional to 23,398.40, 35,066.88 and 11,089.92

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Solution

The fourth proportional to 23,398.40, 35,066.88 and 11,089.92 is: 16,620.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.40 : 35,066.88 = 11,089.92 : x
  2. Step 2: Convert to fraction form
    23,398.40/35,066.88 = 11,089.92/x
  3. Step 3: Cross multiply
    23,398.40x = 35,066.88 × 11,089.92
  4. Step 4: Simplify right side
    23,398.40x = 388,888,893.85
  5. Step 5: Solve for x
    x = 388,888,893.85/23,398.40
  6. Step 6: Final answer
    x = 16,620.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.