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Finding the Fourth Proportional to 57,670.86, 79,541.01 and 36,442.38

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Solution

The fourth proportional to 57,670.86, 79,541.01 and 36,442.38 is: 50,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,670.86 : 79,541.01 = 36,442.38 : x
  2. Step 2: Convert to fraction form
    57,670.86/79,541.01 = 36,442.38/x
  3. Step 3: Cross multiply
    57,670.86x = 79,541.01 × 36,442.38
  4. Step 4: Simplify right side
    57,670.86x = 2,898,663,712.00
  5. Step 5: Solve for x
    x = 2,898,663,712.00/57,670.86
  6. Step 6: Final answer
    x = 50,262.19

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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.