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Finding the Fourth Proportional to 14,868.96, 20,533.02 and 9,572.96

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Solution

The fourth proportional to 14,868.96, 20,533.02 and 9,572.96 is: 13,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.96 : 20,533.02 = 9,572.96 : x
  2. Step 2: Convert to fraction form
    14,868.96/20,533.02 = 9,572.96/x
  3. Step 3: Cross multiply
    14,868.96x = 20,533.02 × 9,572.96
  4. Step 4: Simplify right side
    14,868.96x = 196,561,779.14
  5. Step 5: Solve for x
    x = 196,561,779.14/14,868.96
  6. Step 6: Final answer
    x = 13,219.61

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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.