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Finding the Fourth Proportional to 9,672.03, 13,260.47 and 9,497.07

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Solution

The fourth proportional to 9,672.03, 13,260.47 and 9,497.07 is: 13,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.03 : 13,260.47 = 9,497.07 : x
  2. Step 2: Convert to fraction form
    9,672.03/13,260.47 = 9,497.07/x
  3. Step 3: Cross multiply
    9,672.03x = 13,260.47 × 9,497.07
  4. Step 4: Simplify right side
    9,672.03x = 125,935,585.84
  5. Step 5: Solve for x
    x = 125,935,585.84/9,672.03
  6. Step 6: Final answer
    x = 13,020.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.