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Finding the Fourth Proportional to 50,575.12, 75,801.12 and 35,788.30

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Solution

The fourth proportional to 50,575.12, 75,801.12 and 35,788.30 is: 53,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,575.12 : 75,801.12 = 35,788.30 : x
  2. Step 2: Convert to fraction form
    50,575.12/75,801.12 = 35,788.30/x
  3. Step 3: Cross multiply
    50,575.12x = 75,801.12 × 35,788.30
  4. Step 4: Simplify right side
    50,575.12x = 2,712,793,222.90
  5. Step 5: Solve for x
    x = 2,712,793,222.90/50,575.12
  6. Step 6: Final answer
    x = 53,638.89

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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.