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Finding the Fourth Proportional to 7,960.60, 11,946.11 and 3,030.29

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Solution

The fourth proportional to 7,960.60, 11,946.11 and 3,030.29 is: 4,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.60 : 11,946.11 = 3,030.29 : x
  2. Step 2: Convert to fraction form
    7,960.60/11,946.11 = 3,030.29/x
  3. Step 3: Cross multiply
    7,960.60x = 11,946.11 × 3,030.29
  4. Step 4: Simplify right side
    7,960.60x = 36,200,122.51
  5. Step 5: Solve for x
    x = 36,200,122.51/7,960.60
  6. Step 6: Final answer
    x = 4,547.41

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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.