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Finding the Fourth Proportional to 10,673.68, 15,992.52 and 6,970.48

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Solution

The fourth proportional to 10,673.68, 15,992.52 and 6,970.48 is: 10,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673.68 : 15,992.52 = 6,970.48 : x
  2. Step 2: Convert to fraction form
    10,673.68/15,992.52 = 6,970.48/x
  3. Step 3: Cross multiply
    10,673.68x = 15,992.52 × 6,970.48
  4. Step 4: Simplify right side
    10,673.68x = 111,475,540.81
  5. Step 5: Solve for x
    x = 111,475,540.81/10,673.68
  6. Step 6: Final answer
    x = 10,443.97

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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.