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Finding the Fourth Proportional to 57,594.78, 79,490.97 and 45,748.53

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Solution

The fourth proportional to 57,594.78, 79,490.97 and 45,748.53 is: 63,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,594.78 : 79,490.97 = 45,748.53 : x
  2. Step 2: Convert to fraction form
    57,594.78/79,490.97 = 45,748.53/x
  3. Step 3: Cross multiply
    57,594.78x = 79,490.97 × 45,748.53
  4. Step 4: Simplify right side
    57,594.78x = 3,636,595,025.77
  5. Step 5: Solve for x
    x = 3,636,595,025.77/57,594.78
  6. Step 6: Final answer
    x = 63,141.05

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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.