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Finding the Fourth Proportional to 32,443.70, 44,775.45 and 19,693.96

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Solution

The fourth proportional to 32,443.70, 44,775.45 and 19,693.96 is: 27,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,443.70 : 44,775.45 = 19,693.96 : x
  2. Step 2: Convert to fraction form
    32,443.70/44,775.45 = 19,693.96/x
  3. Step 3: Cross multiply
    32,443.70x = 44,775.45 × 19,693.96
  4. Step 4: Simplify right side
    32,443.70x = 881,805,809.34
  5. Step 5: Solve for x
    x = 881,805,809.34/32,443.70
  6. Step 6: Final answer
    x = 27,179.57

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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.