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Finding the Fourth Proportional to 9,783.14, 13,500.90 and 5,804.60

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Solution

The fourth proportional to 9,783.14, 13,500.90 and 5,804.60 is: 8,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.14 : 13,500.90 = 5,804.60 : x
  2. Step 2: Convert to fraction form
    9,783.14/13,500.90 = 5,804.60/x
  3. Step 3: Cross multiply
    9,783.14x = 13,500.90 × 5,804.60
  4. Step 4: Simplify right side
    9,783.14x = 78,367,256.64
  5. Step 5: Solve for x
    x = 78,367,256.64/9,783.14
  6. Step 6: Final answer
    x = 8,010.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.