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Finding the Fourth Proportional to 76,523.90, 114,797.72 and 39,063.68

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Solution

The fourth proportional to 76,523.90, 114,797.72 and 39,063.68 is: 58,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,523.90 : 114,797.72 = 39,063.68 : x
  2. Step 2: Convert to fraction form
    76,523.90/114,797.72 = 39,063.68/x
  3. Step 3: Cross multiply
    76,523.90x = 114,797.72 × 39,063.68
  4. Step 4: Simplify right side
    76,523.90x = 4,484,421,398.81
  5. Step 5: Solve for x
    x = 4,484,421,398.81/76,523.90
  6. Step 6: Final answer
    x = 58,601.58

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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.