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Finding the Fourth Proportional to 34,842.50, 48,082.88 and 18,926.94

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Solution

The fourth proportional to 34,842.50, 48,082.88 and 18,926.94 is: 26,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,842.50 : 48,082.88 = 18,926.94 : x
  2. Step 2: Convert to fraction form
    34,842.50/48,082.88 = 18,926.94/x
  3. Step 3: Cross multiply
    34,842.50x = 48,082.88 × 18,926.94
  4. Step 4: Simplify right side
    34,842.50x = 910,061,784.79
  5. Step 5: Solve for x
    x = 910,061,784.79/34,842.50
  6. Step 6: Final answer
    x = 26,119.30

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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.