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Finding the Fourth Proportional to 45,361.50, 62,602.11 and 25,218.42

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Solution

The fourth proportional to 45,361.50, 62,602.11 and 25,218.42 is: 34,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,361.50 : 62,602.11 = 25,218.42 : x
  2. Step 2: Convert to fraction form
    45,361.50/62,602.11 = 25,218.42/x
  3. Step 3: Cross multiply
    45,361.50x = 62,602.11 × 25,218.42
  4. Step 4: Simplify right side
    45,361.50x = 1,578,726,302.87
  5. Step 5: Solve for x
    x = 1,578,726,302.87/45,361.50
  6. Step 6: Final answer
    x = 34,803.22

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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.