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Finding the Fourth Proportional to 18,862.04, 28,292.34 and 6,383

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Solution

The fourth proportional to 18,862.04, 28,292.34 and 6,383 is: 9,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.04 : 28,292.34 = 6,383 : x
  2. Step 2: Convert to fraction form
    18,862.04/28,292.34 = 6,383/x
  3. Step 3: Cross multiply
    18,862.04x = 28,292.34 × 6,383
  4. Step 4: Simplify right side
    18,862.04x = 180,590,006.22
  5. Step 5: Solve for x
    x = 180,590,006.22/18,862.04
  6. Step 6: Final answer
    x = 9,574.26

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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.