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Finding the Fourth Proportional to 37,661.40, 56,492.10 and 15,460.20

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Solution

The fourth proportional to 37,661.40, 56,492.10 and 15,460.20 is: 23,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.40 : 56,492.10 = 15,460.20 : x
  2. Step 2: Convert to fraction form
    37,661.40/56,492.10 = 15,460.20/x
  3. Step 3: Cross multiply
    37,661.40x = 56,492.10 × 15,460.20
  4. Step 4: Simplify right side
    37,661.40x = 873,379,164.42
  5. Step 5: Solve for x
    x = 873,379,164.42/37,661.40
  6. Step 6: Final answer
    x = 23,190.30

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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.