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Finding the Fourth Proportional to 12,284.03, 16,947.15 and 7,560.11

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Solution

The fourth proportional to 12,284.03, 16,947.15 and 7,560.11 is: 10,429.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.03 : 16,947.15 = 7,560.11 : x
  2. Step 2: Convert to fraction form
    12,284.03/16,947.15 = 7,560.11/x
  3. Step 3: Cross multiply
    12,284.03x = 16,947.15 × 7,560.11
  4. Step 4: Simplify right side
    12,284.03x = 128,122,318.19
  5. Step 5: Solve for x
    x = 128,122,318.19/12,284.03
  6. Step 6: Final answer
    x = 10,429.99

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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.