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Finding the Fourth Proportional to 56,683.85, 85,025.78 and 17,241

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Solution

The fourth proportional to 56,683.85, 85,025.78 and 17,241 is: 25,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,683.85 : 85,025.78 = 17,241 : x
  2. Step 2: Convert to fraction form
    56,683.85/85,025.78 = 17,241/x
  3. Step 3: Cross multiply
    56,683.85x = 85,025.78 × 17,241
  4. Step 4: Simplify right side
    56,683.85x = 1,465,929,386.78
  5. Step 5: Solve for x
    x = 1,465,929,386.78/56,683.85
  6. Step 6: Final answer
    x = 25,861.50

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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.