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Finding the Fourth Proportional to 6,295.71, 8,688.51 and 4,167.54

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Solution

The fourth proportional to 6,295.71, 8,688.51 and 4,167.54 is: 5,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.71 : 8,688.51 = 4,167.54 : x
  2. Step 2: Convert to fraction form
    6,295.71/8,688.51 = 4,167.54/x
  3. Step 3: Cross multiply
    6,295.71x = 8,688.51 × 4,167.54
  4. Step 4: Simplify right side
    6,295.71x = 36,209,712.97
  5. Step 5: Solve for x
    x = 36,209,712.97/6,295.71
  6. Step 6: Final answer
    x = 5,751.49

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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.