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Finding the Fourth Proportional to 12,894.12, 17,797.32 and 7,590.60

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Solution

The fourth proportional to 12,894.12, 17,797.32 and 7,590.60 is: 10,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894.12 : 17,797.32 = 7,590.60 : x
  2. Step 2: Convert to fraction form
    12,894.12/17,797.32 = 7,590.60/x
  3. Step 3: Cross multiply
    12,894.12x = 17,797.32 × 7,590.60
  4. Step 4: Simplify right side
    12,894.12x = 135,092,337.19
  5. Step 5: Solve for x
    x = 135,092,337.19/12,894.12
  6. Step 6: Final answer
    x = 10,477.05

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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.