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Finding the Fourth Proportional to 57,168.86, 85,798.05 and 37,442.30

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Solution

The fourth proportional to 57,168.86, 85,798.05 and 37,442.30 is: 56,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,168.86 : 85,798.05 = 37,442.30 : x
  2. Step 2: Convert to fraction form
    57,168.86/85,798.05 = 37,442.30/x
  3. Step 3: Cross multiply
    57,168.86x = 85,798.05 × 37,442.30
  4. Step 4: Simplify right side
    57,168.86x = 3,212,476,327.52
  5. Step 5: Solve for x
    x = 3,212,476,327.52/57,168.86
  6. Step 6: Final answer
    x = 56,192.77

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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.