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Finding the Fourth Proportional to 7,305, 10,957.56 and 2,110.92

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Solution

The fourth proportional to 7,305, 10,957.56 and 2,110.92 is: 3,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305 : 10,957.56 = 2,110.92 : x
  2. Step 2: Convert to fraction form
    7,305/10,957.56 = 2,110.92/x
  3. Step 3: Cross multiply
    7,305x = 10,957.56 × 2,110.92
  4. Step 4: Simplify right side
    7,305x = 23,130,532.56
  5. Step 5: Solve for x
    x = 23,130,532.56/7,305
  6. Step 6: Final answer
    x = 3,166.40

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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.