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Finding the Fourth Proportional to 50,625.60, 75,938.40 and 19,461.60

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Solution

The fourth proportional to 50,625.60, 75,938.40 and 19,461.60 is: 29,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,625.60 : 75,938.40 = 19,461.60 : x
  2. Step 2: Convert to fraction form
    50,625.60/75,938.40 = 19,461.60/x
  3. Step 3: Cross multiply
    50,625.60x = 75,938.40 × 19,461.60
  4. Step 4: Simplify right side
    50,625.60x = 1,477,882,765.44
  5. Step 5: Solve for x
    x = 1,477,882,765.44/50,625.60
  6. Step 6: Final answer
    x = 29,192.40

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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.