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Finding the Fourth Proportional to 12,551.07, 17,320.49 and 6,962.07

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Solution

The fourth proportional to 12,551.07, 17,320.49 and 6,962.07 is: 9,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.07 : 17,320.49 = 6,962.07 : x
  2. Step 2: Convert to fraction form
    12,551.07/17,320.49 = 6,962.07/x
  3. Step 3: Cross multiply
    12,551.07x = 17,320.49 × 6,962.07
  4. Step 4: Simplify right side
    12,551.07x = 120,586,429.00
  5. Step 5: Solve for x
    x = 120,586,429.00/12,551.07
  6. Step 6: Final answer
    x = 9,607.66

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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.