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Finding the Fourth Proportional to 12,953, 19,435.65 and 5,559.58

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Solution

The fourth proportional to 12,953, 19,435.65 and 5,559.58 is: 8,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953 : 19,435.65 = 5,559.58 : x
  2. Step 2: Convert to fraction form
    12,953/19,435.65 = 5,559.58/x
  3. Step 3: Cross multiply
    12,953x = 19,435.65 × 5,559.58
  4. Step 4: Simplify right side
    12,953x = 108,053,953.85
  5. Step 5: Solve for x
    x = 108,053,953.85/12,953
  6. Step 6: Final answer
    x = 8,342.00

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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.