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Finding the Fourth Proportional to 53,442.84, 73,751.82 and 33,307.86

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Solution

The fourth proportional to 53,442.84, 73,751.82 and 33,307.86 is: 45,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,442.84 : 73,751.82 = 33,307.86 : x
  2. Step 2: Convert to fraction form
    53,442.84/73,751.82 = 33,307.86/x
  3. Step 3: Cross multiply
    53,442.84x = 73,751.82 × 33,307.86
  4. Step 4: Simplify right side
    53,442.84x = 2,456,515,295.31
  5. Step 5: Solve for x
    x = 2,456,515,295.31/53,442.84
  6. Step 6: Final answer
    x = 45,965.28

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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.