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Finding the Fourth Proportional to 14,530.88, 21,793.88 and 4,140.16

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Solution

The fourth proportional to 14,530.88, 21,793.88 and 4,140.16 is: 6,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.88 : 21,793.88 = 4,140.16 : x
  2. Step 2: Convert to fraction form
    14,530.88/21,793.88 = 4,140.16/x
  3. Step 3: Cross multiply
    14,530.88x = 21,793.88 × 4,140.16
  4. Step 4: Simplify right side
    14,530.88x = 90,230,150.22
  5. Step 5: Solve for x
    x = 90,230,150.22/14,530.88
  6. Step 6: Final answer
    x = 6,209.54

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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.