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Finding the Fourth Proportional to 15,285.65, 22,932.05 and 4,755.15

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Solution

The fourth proportional to 15,285.65, 22,932.05 and 4,755.15 is: 7,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.65 : 22,932.05 = 4,755.15 : x
  2. Step 2: Convert to fraction form
    15,285.65/22,932.05 = 4,755.15/x
  3. Step 3: Cross multiply
    15,285.65x = 22,932.05 × 4,755.15
  4. Step 4: Simplify right side
    15,285.65x = 109,045,313.78
  5. Step 5: Solve for x
    x = 109,045,313.78/15,285.65
  6. Step 6: Final answer
    x = 7,133.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.