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Finding the Fourth Proportional to 7,303.55, 10,956.95 and 2,109.42

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Solution

The fourth proportional to 7,303.55, 10,956.95 and 2,109.42 is: 3,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.55 : 10,956.95 = 2,109.42 : x
  2. Step 2: Convert to fraction form
    7,303.55/10,956.95 = 2,109.42/x
  3. Step 3: Cross multiply
    7,303.55x = 10,956.95 × 2,109.42
  4. Step 4: Simplify right side
    7,303.55x = 23,112,798.92
  5. Step 5: Solve for x
    x = 23,112,798.92/7,303.55
  6. Step 6: Final answer
    x = 3,164.60

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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.