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Finding the Fourth Proportional to 6,461.01, 8,916.62 and 3,808.67

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Solution

The fourth proportional to 6,461.01, 8,916.62 and 3,808.67 is: 5,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.01 : 8,916.62 = 3,808.67 : x
  2. Step 2: Convert to fraction form
    6,461.01/8,916.62 = 3,808.67/x
  3. Step 3: Cross multiply
    6,461.01x = 8,916.62 × 3,808.67
  4. Step 4: Simplify right side
    6,461.01x = 33,960,399.47
  5. Step 5: Solve for x
    x = 33,960,399.47/6,461.01
  6. Step 6: Final answer
    x = 5,256.21

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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.