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Finding the Fourth Proportional to 37,411.40, 56,123.40 and 11,118.80

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Solution

The fourth proportional to 37,411.40, 56,123.40 and 11,118.80 is: 16,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,411.40 : 56,123.40 = 11,118.80 : x
  2. Step 2: Convert to fraction form
    37,411.40/56,123.40 = 11,118.80/x
  3. Step 3: Cross multiply
    37,411.40x = 56,123.40 × 11,118.80
  4. Step 4: Simplify right side
    37,411.40x = 624,024,859.92
  5. Step 5: Solve for x
    x = 624,024,859.92/37,411.40
  6. Step 6: Final answer
    x = 16,680.07

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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.