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Finding the Fourth Proportional to 76,408.56, 114,612.84 and 26,488.71

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Solution

The fourth proportional to 76,408.56, 114,612.84 and 26,488.71 is: 39,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,408.56 : 114,612.84 = 26,488.71 : x
  2. Step 2: Convert to fraction form
    76,408.56/114,612.84 = 26,488.71/x
  3. Step 3: Cross multiply
    76,408.56x = 114,612.84 × 26,488.71
  4. Step 4: Simplify right side
    76,408.56x = 3,035,946,281.04
  5. Step 5: Solve for x
    x = 3,035,946,281.04/76,408.56
  6. Step 6: Final answer
    x = 39,733.07

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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.