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Finding the Fourth Proportional to 17,030.40, 25,535.04 and 6,630

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Solution

The fourth proportional to 17,030.40, 25,535.04 and 6,630 is: 9,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,030.40 : 25,535.04 = 6,630 : x
  2. Step 2: Convert to fraction form
    17,030.40/25,535.04 = 6,630/x
  3. Step 3: Cross multiply
    17,030.40x = 25,535.04 × 6,630
  4. Step 4: Simplify right side
    17,030.40x = 169,297,315.20
  5. Step 5: Solve for x
    x = 169,297,315.20/17,030.40
  6. Step 6: Final answer
    x = 9,940.89

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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.