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Finding the Fourth Proportional to 60,702.72, 91,065.03 and 18,582.03

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Solution

The fourth proportional to 60,702.72, 91,065.03 and 18,582.03 is: 27,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,702.72 : 91,065.03 = 18,582.03 : x
  2. Step 2: Convert to fraction form
    60,702.72/91,065.03 = 18,582.03/x
  3. Step 3: Cross multiply
    60,702.72x = 91,065.03 × 18,582.03
  4. Step 4: Simplify right side
    60,702.72x = 1,692,173,119.41
  5. Step 5: Solve for x
    x = 1,692,173,119.41/60,702.72
  6. Step 6: Final answer
    x = 27,876.40

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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.