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Finding the Fourth Proportional to 32,488.80, 44,828.10 and 18,338.91

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Solution

The fourth proportional to 32,488.80, 44,828.10 and 18,338.91 is: 25,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,488.80 : 44,828.10 = 18,338.91 : x
  2. Step 2: Convert to fraction form
    32,488.80/44,828.10 = 18,338.91/x
  3. Step 3: Cross multiply
    32,488.80x = 44,828.10 × 18,338.91
  4. Step 4: Simplify right side
    32,488.80x = 822,098,491.37
  5. Step 5: Solve for x
    x = 822,098,491.37/32,488.80
  6. Step 6: Final answer
    x = 25,304.06

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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.