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Finding the Fourth Proportional to 12,347.52, 17,041.92 and 7,633.92

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Solution

The fourth proportional to 12,347.52, 17,041.92 and 7,633.92 is: 10,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.52 : 17,041.92 = 7,633.92 : x
  2. Step 2: Convert to fraction form
    12,347.52/17,041.92 = 7,633.92/x
  3. Step 3: Cross multiply
    12,347.52x = 17,041.92 × 7,633.92
  4. Step 4: Simplify right side
    12,347.52x = 130,096,653.93
  5. Step 5: Solve for x
    x = 130,096,653.93/12,347.52
  6. Step 6: Final answer
    x = 10,536.26

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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.