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Finding the Fourth Proportional to 7,275.95, 10,911.93 and 2,009.70

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Solution

The fourth proportional to 7,275.95, 10,911.93 and 2,009.70 is: 3,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.95 : 10,911.93 = 2,009.70 : x
  2. Step 2: Convert to fraction form
    7,275.95/10,911.93 = 2,009.70/x
  3. Step 3: Cross multiply
    7,275.95x = 10,911.93 × 2,009.70
  4. Step 4: Simplify right side
    7,275.95x = 21,929,705.72
  5. Step 5: Solve for x
    x = 21,929,705.72/7,275.95
  6. Step 6: Final answer
    x = 3,014.00

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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.