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Finding the Fourth Proportional to 37,687.70, 56,531.55 and 18,004.70

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Solution

The fourth proportional to 37,687.70, 56,531.55 and 18,004.70 is: 27,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687.70 : 56,531.55 = 18,004.70 : x
  2. Step 2: Convert to fraction form
    37,687.70/56,531.55 = 18,004.70/x
  3. Step 3: Cross multiply
    37,687.70x = 56,531.55 × 18,004.70
  4. Step 4: Simplify right side
    37,687.70x = 1,017,833,598.29
  5. Step 5: Solve for x
    x = 1,017,833,598.29/37,687.70
  6. Step 6: Final answer
    x = 27,007.05

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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.