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Finding the Fourth Proportional to 58,563.80, 80,820.34 and 33,075.53

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Solution

The fourth proportional to 58,563.80, 80,820.34 and 33,075.53 is: 45,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,563.80 : 80,820.34 = 33,075.53 : x
  2. Step 2: Convert to fraction form
    58,563.80/80,820.34 = 33,075.53/x
  3. Step 3: Cross multiply
    58,563.80x = 80,820.34 × 33,075.53
  4. Step 4: Simplify right side
    58,563.80x = 2,673,175,093.49
  5. Step 5: Solve for x
    x = 2,673,175,093.49/58,563.80
  6. Step 6: Final answer
    x = 45,645.52

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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.