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Finding the Fourth Proportional to 45,463.80, 68,017.50 and 29,911.80

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Solution

The fourth proportional to 45,463.80, 68,017.50 and 29,911.80 is: 44,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,463.80 : 68,017.50 = 29,911.80 : x
  2. Step 2: Convert to fraction form
    45,463.80/68,017.50 = 29,911.80/x
  3. Step 3: Cross multiply
    45,463.80x = 68,017.50 × 29,911.80
  4. Step 4: Simplify right side
    45,463.80x = 2,034,525,856.50
  5. Step 5: Solve for x
    x = 2,034,525,856.50/45,463.80
  6. Step 6: Final answer
    x = 44,750.46

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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.