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Finding the Fourth Proportional to 12,285.92, 16,947.24 and 7,566.68

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Solution

The fourth proportional to 12,285.92, 16,947.24 and 7,566.68 is: 10,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.92 : 16,947.24 = 7,566.68 : x
  2. Step 2: Convert to fraction form
    12,285.92/16,947.24 = 7,566.68/x
  3. Step 3: Cross multiply
    12,285.92x = 16,947.24 × 7,566.68
  4. Step 4: Simplify right side
    12,285.92x = 128,234,341.96
  5. Step 5: Solve for x
    x = 128,234,341.96/12,285.92
  6. Step 6: Final answer
    x = 10,437.50

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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.