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Finding the Fourth Proportional to 10,888.68, 16,333.74 and 4,314.84

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Solution

The fourth proportional to 10,888.68, 16,333.74 and 4,314.84 is: 6,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.68 : 16,333.74 = 4,314.84 : x
  2. Step 2: Convert to fraction form
    10,888.68/16,333.74 = 4,314.84/x
  3. Step 3: Cross multiply
    10,888.68x = 16,333.74 × 4,314.84
  4. Step 4: Simplify right side
    10,888.68x = 70,477,474.70
  5. Step 5: Solve for x
    x = 70,477,474.70/10,888.68
  6. Step 6: Final answer
    x = 6,472.55

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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.