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Finding the Fourth Proportional to 9,084.10, 13,611.76 and 7,009.18

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Solution

The fourth proportional to 9,084.10, 13,611.76 and 7,009.18 is: 10,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.10 : 13,611.76 = 7,009.18 : x
  2. Step 2: Convert to fraction form
    9,084.10/13,611.76 = 7,009.18/x
  3. Step 3: Cross multiply
    9,084.10x = 13,611.76 × 7,009.18
  4. Step 4: Simplify right side
    9,084.10x = 95,407,340.40
  5. Step 5: Solve for x
    x = 95,407,340.40/9,084.10
  6. Step 6: Final answer
    x = 10,502.67

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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.