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Finding the Fourth Proportional to 9,308.79, 12,844.44 and 7,537.32

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Solution

The fourth proportional to 9,308.79, 12,844.44 and 7,537.32 is: 10,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.79 : 12,844.44 = 7,537.32 : x
  2. Step 2: Convert to fraction form
    9,308.79/12,844.44 = 7,537.32/x
  3. Step 3: Cross multiply
    9,308.79x = 12,844.44 × 7,537.32
  4. Step 4: Simplify right side
    9,308.79x = 96,812,654.50
  5. Step 5: Solve for x
    x = 96,812,654.50/9,308.79
  6. Step 6: Final answer
    x = 10,400.13

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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.