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Finding the Fourth Proportional to 10,992.19, 16,484.19 and 4,416.16

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Solution

The fourth proportional to 10,992.19, 16,484.19 and 4,416.16 is: 6,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.19 : 16,484.19 = 4,416.16 : x
  2. Step 2: Convert to fraction form
    10,992.19/16,484.19 = 4,416.16/x
  3. Step 3: Cross multiply
    10,992.19x = 16,484.19 × 4,416.16
  4. Step 4: Simplify right side
    10,992.19x = 72,796,820.51
  5. Step 5: Solve for x
    x = 72,796,820.51/10,992.19
  6. Step 6: Final answer
    x = 6,622.59

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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.