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Finding the Fourth Proportional to 45,125.70, 62,235.70 and 33,821.74

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Solution

The fourth proportional to 45,125.70, 62,235.70 and 33,821.74 is: 46,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,125.70 : 62,235.70 = 33,821.74 : x
  2. Step 2: Convert to fraction form
    45,125.70/62,235.70 = 33,821.74/x
  3. Step 3: Cross multiply
    45,125.70x = 62,235.70 × 33,821.74
  4. Step 4: Simplify right side
    45,125.70x = 2,104,919,664.12
  5. Step 5: Solve for x
    x = 2,104,919,664.12/45,125.70
  6. Step 6: Final answer
    x = 46,645.70

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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.