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Finding the Fourth Proportional to 37,681.16, 52,000.26 and 20,914.16

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Solution

The fourth proportional to 37,681.16, 52,000.26 and 20,914.16 is: 28,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,681.16 : 52,000.26 = 20,914.16 : x
  2. Step 2: Convert to fraction form
    37,681.16/52,000.26 = 20,914.16/x
  3. Step 3: Cross multiply
    37,681.16x = 52,000.26 × 20,914.16
  4. Step 4: Simplify right side
    37,681.16x = 1,087,541,757.68
  5. Step 5: Solve for x
    x = 1,087,541,757.68/37,681.16
  6. Step 6: Final answer
    x = 28,861.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.