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Finding the Fourth Proportional to 9,362.70, 13,983.32 and 8,483.44

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Solution

The fourth proportional to 9,362.70, 13,983.32 and 8,483.44 is: 12,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.70 : 13,983.32 = 8,483.44 : x
  2. Step 2: Convert to fraction form
    9,362.70/13,983.32 = 8,483.44/x
  3. Step 3: Cross multiply
    9,362.70x = 13,983.32 × 8,483.44
  4. Step 4: Simplify right side
    9,362.70x = 118,626,656.22
  5. Step 5: Solve for x
    x = 118,626,656.22/9,362.70
  6. Step 6: Final answer
    x = 12,670.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.