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Finding the Fourth Proportional to 8,837.25, 13,256.05 and 7,074.07

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Solution

The fourth proportional to 8,837.25, 13,256.05 and 7,074.07 is: 10,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.25 : 13,256.05 = 7,074.07 : x
  2. Step 2: Convert to fraction form
    8,837.25/13,256.05 = 7,074.07/x
  3. Step 3: Cross multiply
    8,837.25x = 13,256.05 × 7,074.07
  4. Step 4: Simplify right side
    8,837.25x = 93,774,225.62
  5. Step 5: Solve for x
    x = 93,774,225.62/8,837.25
  6. Step 6: Final answer
    x = 10,611.25

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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.