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Finding the Fourth Proportional to 76,609.28, 114,828.96 and 32,222.88

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Solution

The fourth proportional to 76,609.28, 114,828.96 and 32,222.88 is: 48,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,609.28 : 114,828.96 = 32,222.88 : x
  2. Step 2: Convert to fraction form
    76,609.28/114,828.96 = 32,222.88/x
  3. Step 3: Cross multiply
    76,609.28x = 114,828.96 × 32,222.88
  4. Step 4: Simplify right side
    76,609.28x = 3,700,119,798.60
  5. Step 5: Solve for x
    x = 3,700,119,798.60/76,609.28
  6. Step 6: Final answer
    x = 48,298.58

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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.