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Finding the Fourth Proportional to 8,870.97, 13,304.74 and 2,946.93

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Solution

The fourth proportional to 8,870.97, 13,304.74 and 2,946.93 is: 4,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.97 : 13,304.74 = 2,946.93 : x
  2. Step 2: Convert to fraction form
    8,870.97/13,304.74 = 2,946.93/x
  3. Step 3: Cross multiply
    8,870.97x = 13,304.74 × 2,946.93
  4. Step 4: Simplify right side
    8,870.97x = 39,208,137.45
  5. Step 5: Solve for x
    x = 39,208,137.45/8,870.97
  6. Step 6: Final answer
    x = 4,419.83

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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.