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Finding the Fourth Proportional to 14,373.16, 21,559.74 and 6,466.44

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Solution

The fourth proportional to 14,373.16, 21,559.74 and 6,466.44 is: 9,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.16 : 21,559.74 = 6,466.44 : x
  2. Step 2: Convert to fraction form
    14,373.16/21,559.74 = 6,466.44/x
  3. Step 3: Cross multiply
    14,373.16x = 21,559.74 × 6,466.44
  4. Step 4: Simplify right side
    14,373.16x = 139,414,765.13
  5. Step 5: Solve for x
    x = 139,414,765.13/14,373.16
  6. Step 6: Final answer
    x = 9,699.66

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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.