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Finding the Fourth Proportional to 11,482.16, 17,208.86 and 4,900.64

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Solution

The fourth proportional to 11,482.16, 17,208.86 and 4,900.64 is: 7,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.16 : 17,208.86 = 4,900.64 : x
  2. Step 2: Convert to fraction form
    11,482.16/17,208.86 = 4,900.64/x
  3. Step 3: Cross multiply
    11,482.16x = 17,208.86 × 4,900.64
  4. Step 4: Simplify right side
    11,482.16x = 84,334,317.12
  5. Step 5: Solve for x
    x = 84,334,317.12/11,482.16
  6. Step 6: Final answer
    x = 7,344.82

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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.