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Finding the Fourth Proportional to 18,273.90, 27,410.85 and 6,585.60

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Solution

The fourth proportional to 18,273.90, 27,410.85 and 6,585.60 is: 9,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.90 : 27,410.85 = 6,585.60 : x
  2. Step 2: Convert to fraction form
    18,273.90/27,410.85 = 6,585.60/x
  3. Step 3: Cross multiply
    18,273.90x = 27,410.85 × 6,585.60
  4. Step 4: Simplify right side
    18,273.90x = 180,516,893.76
  5. Step 5: Solve for x
    x = 180,516,893.76/18,273.90
  6. Step 6: Final answer
    x = 9,878.40

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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.