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Finding the Fourth Proportional to 9,340.11, 13,975.56 and 7,485.63

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Solution

The fourth proportional to 9,340.11, 13,975.56 and 7,485.63 is: 11,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.11 : 13,975.56 = 7,485.63 : x
  2. Step 2: Convert to fraction form
    9,340.11/13,975.56 = 7,485.63/x
  3. Step 3: Cross multiply
    9,340.11x = 13,975.56 × 7,485.63
  4. Step 4: Simplify right side
    9,340.11x = 104,615,871.20
  5. Step 5: Solve for x
    x = 104,615,871.20/9,340.11
  6. Step 6: Final answer
    x = 11,200.71

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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.