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Finding the Fourth Proportional to 60,075.84, 82,905.18 and 33,218.82

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Solution

The fourth proportional to 60,075.84, 82,905.18 and 33,218.82 is: 45,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,075.84 : 82,905.18 = 33,218.82 : x
  2. Step 2: Convert to fraction form
    60,075.84/82,905.18 = 33,218.82/x
  3. Step 3: Cross multiply
    60,075.84x = 82,905.18 × 33,218.82
  4. Step 4: Simplify right side
    60,075.84x = 2,754,012,251.49
  5. Step 5: Solve for x
    x = 2,754,012,251.49/60,075.84
  6. Step 6: Final answer
    x = 45,842.26

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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.