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Finding the Fourth Proportional to 66,964.61, 100,443.66 and 24,852.89

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Solution

The fourth proportional to 66,964.61, 100,443.66 and 24,852.89 is: 37,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964.61 : 100,443.66 = 24,852.89 : x
  2. Step 2: Convert to fraction form
    66,964.61/100,443.66 = 24,852.89/x
  3. Step 3: Cross multiply
    66,964.61x = 100,443.66 × 24,852.89
  4. Step 4: Simplify right side
    66,964.61x = 2,496,315,484.29
  5. Step 5: Solve for x
    x = 2,496,315,484.29/66,964.61
  6. Step 6: Final answer
    x = 37,278.13

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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.