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Finding the Fourth Proportional to 7,960.03, 11,945.04 and 3,030.10

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Solution

The fourth proportional to 7,960.03, 11,945.04 and 3,030.10 is: 4,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.03 : 11,945.04 = 3,030.10 : x
  2. Step 2: Convert to fraction form
    7,960.03/11,945.04 = 3,030.10/x
  3. Step 3: Cross multiply
    7,960.03x = 11,945.04 × 3,030.10
  4. Step 4: Simplify right side
    7,960.03x = 36,194,665.70
  5. Step 5: Solve for x
    x = 36,194,665.70/7,960.03
  6. Step 6: Final answer
    x = 4,547.05

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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.