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Finding the Fourth Proportional to 57,597.03, 79,494.08 and 45,750.78

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Solution

The fourth proportional to 57,597.03, 79,494.08 and 45,750.78 is: 63,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,597.03 : 79,494.08 = 45,750.78 : x
  2. Step 2: Convert to fraction form
    57,597.03/79,494.08 = 45,750.78/x
  3. Step 3: Cross multiply
    57,597.03x = 79,494.08 × 45,750.78
  4. Step 4: Simplify right side
    57,597.03x = 3,636,915,936.63
  5. Step 5: Solve for x
    x = 3,636,915,936.63/57,597.03
  6. Step 6: Final answer
    x = 63,144.16

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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.