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Finding the Fourth Proportional to 14,796.42, 20,417.67 and 8,826.90

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Solution

The fourth proportional to 14,796.42, 20,417.67 and 8,826.90 is: 12,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.42 : 20,417.67 = 8,826.90 : x
  2. Step 2: Convert to fraction form
    14,796.42/20,417.67 = 8,826.90/x
  3. Step 3: Cross multiply
    14,796.42x = 20,417.67 × 8,826.90
  4. Step 4: Simplify right side
    14,796.42x = 180,224,731.32
  5. Step 5: Solve for x
    x = 180,224,731.32/14,796.42
  6. Step 6: Final answer
    x = 12,180.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.