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Finding the Fourth Proportional to 9,351.55, 14,030.97 and 4,153.78

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Solution

The fourth proportional to 9,351.55, 14,030.97 and 4,153.78 is: 6,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.55 : 14,030.97 = 4,153.78 : x
  2. Step 2: Convert to fraction form
    9,351.55/14,030.97 = 4,153.78/x
  3. Step 3: Cross multiply
    9,351.55x = 14,030.97 × 4,153.78
  4. Step 4: Simplify right side
    9,351.55x = 58,281,587.89
  5. Step 5: Solve for x
    x = 58,281,587.89/9,351.55
  6. Step 6: Final answer
    x = 6,232.29

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1.5x scale

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.