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Finding the Fourth Proportional to 6,916.71, 9,528.39 and 5,499.95

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Solution

The fourth proportional to 6,916.71, 9,528.39 and 5,499.95 is: 7,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.71 : 9,528.39 = 5,499.95 : x
  2. Step 2: Convert to fraction form
    6,916.71/9,528.39 = 5,499.95/x
  3. Step 3: Cross multiply
    6,916.71x = 9,528.39 × 5,499.95
  4. Step 4: Simplify right side
    6,916.71x = 52,405,620.94
  5. Step 5: Solve for x
    x = 52,405,620.94/6,916.71
  6. Step 6: Final answer
    x = 7,576.67

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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.