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Finding the Fourth Proportional to 45,586.40, 68,282.40 and 37,810.40

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Solution

The fourth proportional to 45,586.40, 68,282.40 and 37,810.40 is: 56,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.40 : 68,282.40 = 37,810.40 : x
  2. Step 2: Convert to fraction form
    45,586.40/68,282.40 = 37,810.40/x
  3. Step 3: Cross multiply
    45,586.40x = 68,282.40 × 37,810.40
  4. Step 4: Simplify right side
    45,586.40x = 2,581,784,856.96
  5. Step 5: Solve for x
    x = 2,581,784,856.96/45,586.40
  6. Step 6: Final answer
    x = 56,634.98

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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.