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Finding the Fourth Proportional to 57,276.10, 85,914.15 and 57,276.10

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Solution

The fourth proportional to 57,276.10, 85,914.15 and 57,276.10 is: 85,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.10 : 85,914.15 = 57,276.10 : x
  2. Step 2: Convert to fraction form
    57,276.10/85,914.15 = 57,276.10/x
  3. Step 3: Cross multiply
    57,276.10x = 85,914.15 × 57,276.10
  4. Step 4: Simplify right side
    57,276.10x = 4,920,827,446.82
  5. Step 5: Solve for x
    x = 4,920,827,446.82/57,276.10
  6. Step 6: Final answer
    x = 85,914.15

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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.