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Finding the Fourth Proportional to 34,750.73, 52,125.64 and 8,455.50

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Solution

The fourth proportional to 34,750.73, 52,125.64 and 8,455.50 is: 12,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.73 : 52,125.64 = 8,455.50 : x
  2. Step 2: Convert to fraction form
    34,750.73/52,125.64 = 8,455.50/x
  3. Step 3: Cross multiply
    34,750.73x = 52,125.64 × 8,455.50
  4. Step 4: Simplify right side
    34,750.73x = 440,748,349.02
  5. Step 5: Solve for x
    x = 440,748,349.02/34,750.73
  6. Step 6: Final answer
    x = 12,683.14

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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.