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Finding the Fourth Proportional to 66,467.68, 99,701.01 and 16,547.44

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Solution

The fourth proportional to 66,467.68, 99,701.01 and 16,547.44 is: 24,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.68 : 99,701.01 = 16,547.44 : x
  2. Step 2: Convert to fraction form
    66,467.68/99,701.01 = 16,547.44/x
  3. Step 3: Cross multiply
    66,467.68x = 99,701.01 × 16,547.44
  4. Step 4: Simplify right side
    66,467.68x = 1,649,796,480.91
  5. Step 5: Solve for x
    x = 1,649,796,480.91/66,467.68
  6. Step 6: Final answer
    x = 24,821.03

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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.