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Finding the Fourth Proportional to 5,881.80, 8,829.90 and 5,838.60

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Solution

The fourth proportional to 5,881.80, 8,829.90 and 5,838.60 is: 8,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.80 : 8,829.90 = 5,838.60 : x
  2. Step 2: Convert to fraction form
    5,881.80/8,829.90 = 5,838.60/x
  3. Step 3: Cross multiply
    5,881.80x = 8,829.90 × 5,838.60
  4. Step 4: Simplify right side
    5,881.80x = 51,554,254.14
  5. Step 5: Solve for x
    x = 51,554,254.14/5,881.80
  6. Step 6: Final answer
    x = 8,765.05

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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.