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Finding the Fourth Proportional to 57,458.70, 79,292.79 and 33,580.58

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Solution

The fourth proportional to 57,458.70, 79,292.79 and 33,580.58 is: 46,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,458.70 : 79,292.79 = 33,580.58 : x
  2. Step 2: Convert to fraction form
    57,458.70/79,292.79 = 33,580.58/x
  3. Step 3: Cross multiply
    57,458.70x = 79,292.79 × 33,580.58
  4. Step 4: Simplify right side
    57,458.70x = 2,662,697,481.55
  5. Step 5: Solve for x
    x = 2,662,697,481.55/57,458.70
  6. Step 6: Final answer
    x = 46,341.07

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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.