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Finding the Fourth Proportional to 57,468.16, 79,273.72 and 34,492.08

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Solution

The fourth proportional to 57,468.16, 79,273.72 and 34,492.08 is: 47,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,468.16 : 79,273.72 = 34,492.08 : x
  2. Step 2: Convert to fraction form
    57,468.16/79,273.72 = 34,492.08/x
  3. Step 3: Cross multiply
    57,468.16x = 79,273.72 × 34,492.08
  4. Step 4: Simplify right side
    57,468.16x = 2,734,315,492.14
  5. Step 5: Solve for x
    x = 2,734,315,492.14/57,468.16
  6. Step 6: Final answer
    x = 47,579.66

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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.