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Finding the Fourth Proportional to 66,476.58, 99,685.66 and 24,894.42

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Solution

The fourth proportional to 66,476.58, 99,685.66 and 24,894.42 is: 37,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,476.58 : 99,685.66 = 24,894.42 : x
  2. Step 2: Convert to fraction form
    66,476.58/99,685.66 = 24,894.42/x
  3. Step 3: Cross multiply
    66,476.58x = 99,685.66 × 24,894.42
  4. Step 4: Simplify right side
    66,476.58x = 2,481,616,688.02
  5. Step 5: Solve for x
    x = 2,481,616,688.02/66,476.58
  6. Step 6: Final answer
    x = 37,330.69

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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.