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Finding the Fourth Proportional to 5,771.04, 8,656.60 and 1,875.60

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Solution

The fourth proportional to 5,771.04, 8,656.60 and 1,875.60 is: 2,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.04 : 8,656.60 = 1,875.60 : x
  2. Step 2: Convert to fraction form
    5,771.04/8,656.60 = 1,875.60/x
  3. Step 3: Cross multiply
    5,771.04x = 8,656.60 × 1,875.60
  4. Step 4: Simplify right side
    5,771.04x = 16,236,318.96
  5. Step 5: Solve for x
    x = 16,236,318.96/5,771.04
  6. Step 6: Final answer
    x = 2,813.41

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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.