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Finding the Fourth Proportional to 12,342.99, 17,034.24 and 7,037.94

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Solution

The fourth proportional to 12,342.99, 17,034.24 and 7,037.94 is: 9,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.99 : 17,034.24 = 7,037.94 : x
  2. Step 2: Convert to fraction form
    12,342.99/17,034.24 = 7,037.94/x
  3. Step 3: Cross multiply
    12,342.99x = 17,034.24 × 7,037.94
  4. Step 4: Simplify right side
    12,342.99x = 119,885,959.07
  5. Step 5: Solve for x
    x = 119,885,959.07/12,342.99
  6. Step 6: Final answer
    x = 9,712.88

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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.