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Finding the Fourth Proportional to 9,986.04, 14,987.88 and 5,820.33

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Solution

The fourth proportional to 9,986.04, 14,987.88 and 5,820.33 is: 8,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.04 : 14,987.88 = 5,820.33 : x
  2. Step 2: Convert to fraction form
    9,986.04/14,987.88 = 5,820.33/x
  3. Step 3: Cross multiply
    9,986.04x = 14,987.88 × 5,820.33
  4. Step 4: Simplify right side
    9,986.04x = 87,234,407.60
  5. Step 5: Solve for x
    x = 87,234,407.60/9,986.04
  6. Step 6: Final answer
    x = 8,735.64

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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.