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Finding the Fourth Proportional to 7,273.61, 10,913.16 and 2,894.17

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Solution

The fourth proportional to 7,273.61, 10,913.16 and 2,894.17 is: 4,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.61 : 10,913.16 = 2,894.17 : x
  2. Step 2: Convert to fraction form
    7,273.61/10,913.16 = 2,894.17/x
  3. Step 3: Cross multiply
    7,273.61x = 10,913.16 × 2,894.17
  4. Step 4: Simplify right side
    7,273.61x = 31,584,485.71
  5. Step 5: Solve for x
    x = 31,584,485.71/7,273.61
  6. Step 6: Final answer
    x = 4,342.34

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1.5x scale

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.