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Finding the Fourth Proportional to 9,604.85, 13,248.63 and 6,615.54

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Solution

The fourth proportional to 9,604.85, 13,248.63 and 6,615.54 is: 9,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,604.85 : 13,248.63 = 6,615.54 : x
  2. Step 2: Convert to fraction form
    9,604.85/13,248.63 = 6,615.54/x
  3. Step 3: Cross multiply
    9,604.85x = 13,248.63 × 6,615.54
  4. Step 4: Simplify right side
    9,604.85x = 87,646,841.71
  5. Step 5: Solve for x
    x = 87,646,841.71/9,604.85
  6. Step 6: Final answer
    x = 9,125.27

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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.