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Finding the Fourth Proportional to 50,006.88, 74,978.64 and 25,040.16

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Solution

The fourth proportional to 50,006.88, 74,978.64 and 25,040.16 is: 37,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,006.88 : 74,978.64 = 25,040.16 : x
  2. Step 2: Convert to fraction form
    50,006.88/74,978.64 = 25,040.16/x
  3. Step 3: Cross multiply
    50,006.88x = 74,978.64 × 25,040.16
  4. Step 4: Simplify right side
    50,006.88x = 1,877,477,142.18
  5. Step 5: Solve for x
    x = 1,877,477,142.18/50,006.88
  6. Step 6: Final answer
    x = 37,544.38

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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.