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Finding the Fourth Proportional to 46,706.44, 70,064.01 and 18,619.69

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Solution

The fourth proportional to 46,706.44, 70,064.01 and 18,619.69 is: 27,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,706.44 : 70,064.01 = 18,619.69 : x
  2. Step 2: Convert to fraction form
    46,706.44/70,064.01 = 18,619.69/x
  3. Step 3: Cross multiply
    46,706.44x = 70,064.01 × 18,619.69
  4. Step 4: Simplify right side
    46,706.44x = 1,304,570,146.36
  5. Step 5: Solve for x
    x = 1,304,570,146.36/46,706.44
  6. Step 6: Final answer
    x = 27,931.27

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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.