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Finding the Fourth Proportional to 45,798.72, 68,644.80 and 37,492.80

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Solution

The fourth proportional to 45,798.72, 68,644.80 and 37,492.80 is: 56,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798.72 : 68,644.80 = 37,492.80 : x
  2. Step 2: Convert to fraction form
    45,798.72/68,644.80 = 37,492.80/x
  3. Step 3: Cross multiply
    45,798.72x = 68,644.80 × 37,492.80
  4. Step 4: Simplify right side
    45,798.72x = 2,573,685,757.44
  5. Step 5: Solve for x
    x = 2,573,685,757.44/45,798.72
  6. Step 6: Final answer
    x = 56,195.58

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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.