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Finding the Fourth Proportional to 9,731.66, 13,425.03 and 9,354.44

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Solution

The fourth proportional to 9,731.66, 13,425.03 and 9,354.44 is: 12,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.66 : 13,425.03 = 9,354.44 : x
  2. Step 2: Convert to fraction form
    9,731.66/13,425.03 = 9,354.44/x
  3. Step 3: Cross multiply
    9,731.66x = 13,425.03 × 9,354.44
  4. Step 4: Simplify right side
    9,731.66x = 125,583,637.63
  5. Step 5: Solve for x
    x = 125,583,637.63/9,731.66
  6. Step 6: Final answer
    x = 12,904.65

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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.