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Finding the Fourth Proportional to 9,054.56, 13,581.84 and 7,104.08

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Solution

The fourth proportional to 9,054.56, 13,581.84 and 7,104.08 is: 10,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.56 : 13,581.84 = 7,104.08 : x
  2. Step 2: Convert to fraction form
    9,054.56/13,581.84 = 7,104.08/x
  3. Step 3: Cross multiply
    9,054.56x = 13,581.84 × 7,104.08
  4. Step 4: Simplify right side
    9,054.56x = 96,486,477.91
  5. Step 5: Solve for x
    x = 96,486,477.91/9,054.56
  6. Step 6: Final answer
    x = 10,656.12

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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.