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Finding the Fourth Proportional to 10,905.03, 15,048.27 and 6,125.63

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Solution

The fourth proportional to 10,905.03, 15,048.27 and 6,125.63 is: 8,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.03 : 15,048.27 = 6,125.63 : x
  2. Step 2: Convert to fraction form
    10,905.03/15,048.27 = 6,125.63/x
  3. Step 3: Cross multiply
    10,905.03x = 15,048.27 × 6,125.63
  4. Step 4: Simplify right side
    10,905.03x = 92,180,058.92
  5. Step 5: Solve for x
    x = 92,180,058.92/10,905.03
  6. Step 6: Final answer
    x = 8,452.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.