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Finding the Fourth Proportional to 50,561.59, 75,780.90 and 35,774.77

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Solution

The fourth proportional to 50,561.59, 75,780.90 and 35,774.77 is: 53,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,561.59 : 75,780.90 = 35,774.77 : x
  2. Step 2: Convert to fraction form
    50,561.59/75,780.90 = 35,774.77/x
  3. Step 3: Cross multiply
    50,561.59x = 75,780.90 × 35,774.77
  4. Step 4: Simplify right side
    50,561.59x = 2,711,044,267.89
  5. Step 5: Solve for x
    x = 2,711,044,267.89/50,561.59
  6. Step 6: Final answer
    x = 53,618.65

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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.