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Finding the Fourth Proportional to 25,044.57, 37,570.50 and 8,400.87

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Solution

The fourth proportional to 25,044.57, 37,570.50 and 8,400.87 is: 12,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,044.57 : 37,570.50 = 8,400.87 : x
  2. Step 2: Convert to fraction form
    25,044.57/37,570.50 = 8,400.87/x
  3. Step 3: Cross multiply
    25,044.57x = 37,570.50 × 8,400.87
  4. Step 4: Simplify right side
    25,044.57x = 315,624,886.34
  5. Step 5: Solve for x
    x = 315,624,886.34/25,044.57
  6. Step 6: Final answer
    x = 12,602.53

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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.