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Finding the Fourth Proportional to 9,366.84, 12,927.60 and 9,076.32

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Solution

The fourth proportional to 9,366.84, 12,927.60 and 9,076.32 is: 12,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.84 : 12,927.60 = 9,076.32 : x
  2. Step 2: Convert to fraction form
    9,366.84/12,927.60 = 9,076.32/x
  3. Step 3: Cross multiply
    9,366.84x = 12,927.60 × 9,076.32
  4. Step 4: Simplify right side
    9,366.84x = 117,335,034.43
  5. Step 5: Solve for x
    x = 117,335,034.43/9,366.84
  6. Step 6: Final answer
    x = 12,526.64

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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.