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Finding the Fourth Proportional to 14,762.64, 22,140.01 and 10,081.86

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Solution

The fourth proportional to 14,762.64, 22,140.01 and 10,081.86 is: 15,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.64 : 22,140.01 = 10,081.86 : x
  2. Step 2: Convert to fraction form
    14,762.64/22,140.01 = 10,081.86/x
  3. Step 3: Cross multiply
    14,762.64x = 22,140.01 × 10,081.86
  4. Step 4: Simplify right side
    14,762.64x = 223,212,481.22
  5. Step 5: Solve for x
    x = 223,212,481.22/14,762.64
  6. Step 6: Final answer
    x = 15,120.09

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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.