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Finding the Fourth Proportional to 71,555.79, 107,382.90 and 24,808.67

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Solution

The fourth proportional to 71,555.79, 107,382.90 and 24,808.67 is: 37,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,555.79 : 107,382.90 = 24,808.67 : x
  2. Step 2: Convert to fraction form
    71,555.79/107,382.90 = 24,808.67/x
  3. Step 3: Cross multiply
    71,555.79x = 107,382.90 × 24,808.67
  4. Step 4: Simplify right side
    71,555.79x = 2,664,026,888.55
  5. Step 5: Solve for x
    x = 2,664,026,888.55/71,555.79
  6. Step 6: Final answer
    x = 37,230.07

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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.