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Finding the Fourth Proportional to 9,953.66, 14,939.72 and 5,026.76

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Solution

The fourth proportional to 9,953.66, 14,939.72 and 5,026.76 is: 7,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.66 : 14,939.72 = 5,026.76 : x
  2. Step 2: Convert to fraction form
    9,953.66/14,939.72 = 5,026.76/x
  3. Step 3: Cross multiply
    9,953.66x = 14,939.72 × 5,026.76
  4. Step 4: Simplify right side
    9,953.66x = 75,098,347.81
  5. Step 5: Solve for x
    x = 75,098,347.81/9,953.66
  6. Step 6: Final answer
    x = 7,544.80

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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.