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Finding the Fourth Proportional to 18,565.60, 27,848.40 and 17,701.60

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Solution

The fourth proportional to 18,565.60, 27,848.40 and 17,701.60 is: 26,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.60 : 27,848.40 = 17,701.60 : x
  2. Step 2: Convert to fraction form
    18,565.60/27,848.40 = 17,701.60/x
  3. Step 3: Cross multiply
    18,565.60x = 27,848.40 × 17,701.60
  4. Step 4: Simplify right side
    18,565.60x = 492,961,237.44
  5. Step 5: Solve for x
    x = 492,961,237.44/18,565.60
  6. Step 6: Final answer
    x = 26,552.40

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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.