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Finding the Fourth Proportional to 34,216.40, 51,317.40 and 14,495.60

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Solution

The fourth proportional to 34,216.40, 51,317.40 and 14,495.60 is: 21,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,216.40 : 51,317.40 = 14,495.60 : x
  2. Step 2: Convert to fraction form
    34,216.40/51,317.40 = 14,495.60/x
  3. Step 3: Cross multiply
    34,216.40x = 51,317.40 × 14,495.60
  4. Step 4: Simplify right side
    34,216.40x = 743,876,503.44
  5. Step 5: Solve for x
    x = 743,876,503.44/34,216.40
  6. Step 6: Final answer
    x = 21,740.35

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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.