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Finding the Fourth Proportional to 19,265.80, 28,852.80 and 9,373.30

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Solution

The fourth proportional to 19,265.80, 28,852.80 and 9,373.30 is: 14,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.80 : 28,852.80 = 9,373.30 : x
  2. Step 2: Convert to fraction form
    19,265.80/28,852.80 = 9,373.30/x
  3. Step 3: Cross multiply
    19,265.80x = 28,852.80 × 9,373.30
  4. Step 4: Simplify right side
    19,265.80x = 270,445,950.24
  5. Step 5: Solve for x
    x = 270,445,950.24/19,265.80
  6. Step 6: Final answer
    x = 14,037.62

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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.