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Finding the Fourth Proportional to 8,894.40, 13,321.14 and 5,599.32

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Solution

The fourth proportional to 8,894.40, 13,321.14 and 5,599.32 is: 8,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.40 : 13,321.14 = 5,599.32 : x
  2. Step 2: Convert to fraction form
    8,894.40/13,321.14 = 5,599.32/x
  3. Step 3: Cross multiply
    8,894.40x = 13,321.14 × 5,599.32
  4. Step 4: Simplify right side
    8,894.40x = 74,589,325.62
  5. Step 5: Solve for x
    x = 74,589,325.62/8,894.40
  6. Step 6: Final answer
    x = 8,386.10

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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.