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Finding the Fourth Proportional to 4,478.69, 6,684.17 and 4,362.05

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Solution

The fourth proportional to 4,478.69, 6,684.17 and 4,362.05 is: 6,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.69 : 6,684.17 = 4,362.05 : x
  2. Step 2: Convert to fraction form
    4,478.69/6,684.17 = 4,362.05/x
  3. Step 3: Cross multiply
    4,478.69x = 6,684.17 × 4,362.05
  4. Step 4: Simplify right side
    4,478.69x = 29,156,703.19
  5. Step 5: Solve for x
    x = 29,156,703.19/4,478.69
  6. Step 6: Final answer
    x = 6,510.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.