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Finding the Fourth Proportional to 9,959.63, 14,939.73 and 5,573.66

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Solution

The fourth proportional to 9,959.63, 14,939.73 and 5,573.66 is: 8,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.63 : 14,939.73 = 5,573.66 : x
  2. Step 2: Convert to fraction form
    9,959.63/14,939.73 = 5,573.66/x
  3. Step 3: Cross multiply
    9,959.63x = 14,939.73 × 5,573.66
  4. Step 4: Simplify right side
    9,959.63x = 83,268,900.81
  5. Step 5: Solve for x
    x = 83,268,900.81/9,959.63
  6. Step 6: Final answer
    x = 8,360.65

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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.