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Finding the Fourth Proportional to 57,114.86, 78,807.53 and 36,968.94

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Solution

The fourth proportional to 57,114.86, 78,807.53 and 36,968.94 is: 51,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114.86 : 78,807.53 = 36,968.94 : x
  2. Step 2: Convert to fraction form
    57,114.86/78,807.53 = 36,968.94/x
  3. Step 3: Cross multiply
    57,114.86x = 78,807.53 × 36,968.94
  4. Step 4: Simplify right side
    57,114.86x = 2,913,430,940.54
  5. Step 5: Solve for x
    x = 2,913,430,940.54/57,114.86
  6. Step 6: Final answer
    x = 51,010.04

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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.