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Finding the Fourth Proportional to 10,663.35, 15,995.03 and 5,735.31

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Solution

The fourth proportional to 10,663.35, 15,995.03 and 5,735.31 is: 8,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.35 : 15,995.03 = 5,735.31 : x
  2. Step 2: Convert to fraction form
    10,663.35/15,995.03 = 5,735.31/x
  3. Step 3: Cross multiply
    10,663.35x = 15,995.03 × 5,735.31
  4. Step 4: Simplify right side
    10,663.35x = 91,736,455.51
  5. Step 5: Solve for x
    x = 91,736,455.51/10,663.35
  6. Step 6: Final answer
    x = 8,602.97

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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.