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Finding the Fourth Proportional to 40,347.70, 60,521.44 and 12,267.63

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Solution

The fourth proportional to 40,347.70, 60,521.44 and 12,267.63 is: 18,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347.70 : 60,521.44 = 12,267.63 : x
  2. Step 2: Convert to fraction form
    40,347.70/60,521.44 = 12,267.63/x
  3. Step 3: Cross multiply
    40,347.70x = 60,521.44 × 12,267.63
  4. Step 4: Simplify right side
    40,347.70x = 742,454,632.99
  5. Step 5: Solve for x
    x = 742,454,632.99/40,347.70
  6. Step 6: Final answer
    x = 18,401.41

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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.