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Finding the Fourth Proportional to 32,507.90, 48,741.80 and 18,253.98

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Solution

The fourth proportional to 32,507.90, 48,741.80 and 18,253.98 is: 27,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,507.90 : 48,741.80 = 18,253.98 : x
  2. Step 2: Convert to fraction form
    32,507.90/48,741.80 = 18,253.98/x
  3. Step 3: Cross multiply
    32,507.90x = 48,741.80 × 18,253.98
  4. Step 4: Simplify right side
    32,507.90x = 889,731,842.36
  5. Step 5: Solve for x
    x = 889,731,842.36/32,507.90
  6. Step 6: Final answer
    x = 27,369.71

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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.