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Finding the Fourth Proportional to 45,380.70, 68,071.41 and 15,798.48

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Solution

The fourth proportional to 45,380.70, 68,071.41 and 15,798.48 is: 23,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.70 : 68,071.41 = 15,798.48 : x
  2. Step 2: Convert to fraction form
    45,380.70/68,071.41 = 15,798.48/x
  3. Step 3: Cross multiply
    45,380.70x = 68,071.41 × 15,798.48
  4. Step 4: Simplify right side
    45,380.70x = 1,075,424,809.46
  5. Step 5: Solve for x
    x = 1,075,424,809.46/45,380.70
  6. Step 6: Final answer
    x = 23,697.85

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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.