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Finding the Fourth Proportional to 13,230.51, 19,843.93 and 4,464.28

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Solution

The fourth proportional to 13,230.51, 19,843.93 and 4,464.28 is: 6,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.51 : 19,843.93 = 4,464.28 : x
  2. Step 2: Convert to fraction form
    13,230.51/19,843.93 = 4,464.28/x
  3. Step 3: Cross multiply
    13,230.51x = 19,843.93 × 4,464.28
  4. Step 4: Simplify right side
    13,230.51x = 88,588,859.82
  5. Step 5: Solve for x
    x = 88,588,859.82/13,230.51
  6. Step 6: Final answer
    x = 6,695.80

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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.