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Finding the Fourth Proportional to 34,518.60, 51,702.02 and 28,527.60

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Solution

The fourth proportional to 34,518.60, 51,702.02 and 28,527.60 is: 42,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,518.60 : 51,702.02 = 28,527.60 : x
  2. Step 2: Convert to fraction form
    34,518.60/51,702.02 = 28,527.60/x
  3. Step 3: Cross multiply
    34,518.60x = 51,702.02 × 28,527.60
  4. Step 4: Simplify right side
    34,518.60x = 1,474,934,545.75
  5. Step 5: Solve for x
    x = 1,474,934,545.75/34,518.60
  6. Step 6: Final answer
    x = 42,728.69

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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.