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Finding the Fourth Proportional to 9,672.30, 14,508.45 and 4,751.55

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Solution

The fourth proportional to 9,672.30, 14,508.45 and 4,751.55 is: 7,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.30 : 14,508.45 = 4,751.55 : x
  2. Step 2: Convert to fraction form
    9,672.30/14,508.45 = 4,751.55/x
  3. Step 3: Cross multiply
    9,672.30x = 14,508.45 × 4,751.55
  4. Step 4: Simplify right side
    9,672.30x = 68,937,625.60
  5. Step 5: Solve for x
    x = 68,937,625.60/9,672.30
  6. Step 6: Final answer
    x = 7,127.33

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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.