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Finding the Fourth Proportional to 57,492.13, 79,294.13 and 37,355.56

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Solution

The fourth proportional to 57,492.13, 79,294.13 and 37,355.56 is: 51,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,492.13 : 79,294.13 = 37,355.56 : x
  2. Step 2: Convert to fraction form
    57,492.13/79,294.13 = 37,355.56/x
  3. Step 3: Cross multiply
    57,492.13x = 79,294.13 × 37,355.56
  4. Step 4: Simplify right side
    57,492.13x = 2,962,076,630.86
  5. Step 5: Solve for x
    x = 2,962,076,630.86/57,492.13
  6. Step 6: Final answer
    x = 51,521.43

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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.