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Finding the Fourth Proportional to 19,273.20, 28,918.08 and 6,802.32

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Solution

The fourth proportional to 19,273.20, 28,918.08 and 6,802.32 is: 10,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.20 : 28,918.08 = 6,802.32 : x
  2. Step 2: Convert to fraction form
    19,273.20/28,918.08 = 6,802.32/x
  3. Step 3: Cross multiply
    19,273.20x = 28,918.08 × 6,802.32
  4. Step 4: Simplify right side
    19,273.20x = 196,710,033.95
  5. Step 5: Solve for x
    x = 196,710,033.95/19,273.20
  6. Step 6: Final answer
    x = 10,206.40

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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.