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Finding the Fourth Proportional to 6,895.71, 10,339.65 and 4,707.09

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Solution

The fourth proportional to 6,895.71, 10,339.65 and 4,707.09 is: 7,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.71 : 10,339.65 = 4,707.09 : x
  2. Step 2: Convert to fraction form
    6,895.71/10,339.65 = 4,707.09/x
  3. Step 3: Cross multiply
    6,895.71x = 10,339.65 × 4,707.09
  4. Step 4: Simplify right side
    6,895.71x = 48,669,663.12
  5. Step 5: Solve for x
    x = 48,669,663.12/6,895.71
  6. Step 6: Final answer
    x = 7,057.96

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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.