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Finding the Fourth Proportional to 57,349, 79,000.50 and 48,823.72

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Solution

The fourth proportional to 57,349, 79,000.50 and 48,823.72 is: 67,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,349 : 79,000.50 = 48,823.72 : x
  2. Step 2: Convert to fraction form
    57,349/79,000.50 = 48,823.72/x
  3. Step 3: Cross multiply
    57,349x = 79,000.50 × 48,823.72
  4. Step 4: Simplify right side
    57,349x = 3,857,098,291.86
  5. Step 5: Solve for x
    x = 3,857,098,291.86/57,349
  6. Step 6: Final answer
    x = 67,256.59

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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.