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Finding the Fourth Proportional to 13,230.64, 19,846.04 and 4,465.64

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Solution

The fourth proportional to 13,230.64, 19,846.04 and 4,465.64 is: 6,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.64 : 19,846.04 = 4,465.64 : x
  2. Step 2: Convert to fraction form
    13,230.64/19,846.04 = 4,465.64/x
  3. Step 3: Cross multiply
    13,230.64x = 19,846.04 × 4,465.64
  4. Step 4: Simplify right side
    13,230.64x = 88,625,270.07
  5. Step 5: Solve for x
    x = 88,625,270.07/13,230.64
  6. Step 6: Final answer
    x = 6,698.49

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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.