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Finding the Fourth Proportional to 12,797.41, 17,658.08 and 7,132.01

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Solution

The fourth proportional to 12,797.41, 17,658.08 and 7,132.01 is: 9,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.41 : 17,658.08 = 7,132.01 : x
  2. Step 2: Convert to fraction form
    12,797.41/17,658.08 = 7,132.01/x
  3. Step 3: Cross multiply
    12,797.41x = 17,658.08 × 7,132.01
  4. Step 4: Simplify right side
    12,797.41x = 125,937,567.48
  5. Step 5: Solve for x
    x = 125,937,567.48/12,797.41
  6. Step 6: Final answer
    x = 9,840.87

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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.