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Finding the Fourth Proportional to 32,699.67, 45,123.99 and 18,164.79

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Solution

The fourth proportional to 32,699.67, 45,123.99 and 18,164.79 is: 25,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,699.67 : 45,123.99 = 18,164.79 : x
  2. Step 2: Convert to fraction form
    32,699.67/45,123.99 = 18,164.79/x
  3. Step 3: Cross multiply
    32,699.67x = 45,123.99 × 18,164.79
  4. Step 4: Simplify right side
    32,699.67x = 819,667,802.31
  5. Step 5: Solve for x
    x = 819,667,802.31/32,699.67
  6. Step 6: Final answer
    x = 25,066.55

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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.