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Finding the Fourth Proportional to 9,971.55, 14,960.03 and 8,883.45

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Solution

The fourth proportional to 9,971.55, 14,960.03 and 8,883.45 is: 13,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.55 : 14,960.03 = 8,883.45 : x
  2. Step 2: Convert to fraction form
    9,971.55/14,960.03 = 8,883.45/x
  3. Step 3: Cross multiply
    9,971.55x = 14,960.03 × 8,883.45
  4. Step 4: Simplify right side
    9,971.55x = 132,896,634.09
  5. Step 5: Solve for x
    x = 132,896,634.09/9,971.55
  6. Step 6: Final answer
    x = 13,327.58

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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.