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Finding the Fourth Proportional to 68,966.73, 103,482.90 and 33,887.25

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Solution

The fourth proportional to 68,966.73, 103,482.90 and 33,887.25 is: 50,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,966.73 : 103,482.90 = 33,887.25 : x
  2. Step 2: Convert to fraction form
    68,966.73/103,482.90 = 33,887.25/x
  3. Step 3: Cross multiply
    68,966.73x = 103,482.90 × 33,887.25
  4. Step 4: Simplify right side
    68,966.73x = 3,506,750,903.03
  5. Step 5: Solve for x
    x = 3,506,750,903.03/68,966.73
  6. Step 6: Final answer
    x = 50,846.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.