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Finding the Fourth Proportional to 32,530.80, 48,723.30 and 26,698.80

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Solution

The fourth proportional to 32,530.80, 48,723.30 and 26,698.80 is: 39,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,530.80 : 48,723.30 = 26,698.80 : x
  2. Step 2: Convert to fraction form
    32,530.80/48,723.30 = 26,698.80/x
  3. Step 3: Cross multiply
    32,530.80x = 48,723.30 × 26,698.80
  4. Step 4: Simplify right side
    32,530.80x = 1,300,853,642.04
  5. Step 5: Solve for x
    x = 1,300,853,642.04/32,530.80
  6. Step 6: Final answer
    x = 39,988.37

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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.