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Finding the Fourth Proportional to 32,608.40, 45,010.28 and 19,178.96

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Solution

The fourth proportional to 32,608.40, 45,010.28 and 19,178.96 is: 26,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,608.40 : 45,010.28 = 19,178.96 : x
  2. Step 2: Convert to fraction form
    32,608.40/45,010.28 = 19,178.96/x
  3. Step 3: Cross multiply
    32,608.40x = 45,010.28 × 19,178.96
  4. Step 4: Simplify right side
    32,608.40x = 863,250,359.71
  5. Step 5: Solve for x
    x = 863,250,359.71/32,608.40
  6. Step 6: Final answer
    x = 26,473.25

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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.