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Finding the Fourth Proportional to 9,004.95, 13,507.62 and 7,157.34

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Solution

The fourth proportional to 9,004.95, 13,507.62 and 7,157.34 is: 10,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.95 : 13,507.62 = 7,157.34 : x
  2. Step 2: Convert to fraction form
    9,004.95/13,507.62 = 7,157.34/x
  3. Step 3: Cross multiply
    9,004.95x = 13,507.62 × 7,157.34
  4. Step 4: Simplify right side
    9,004.95x = 96,678,628.93
  5. Step 5: Solve for x
    x = 96,678,628.93/9,004.95
  6. Step 6: Final answer
    x = 10,736.16

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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.