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Finding the Fourth Proportional to 12,349.44, 17,041.32 and 7,042.32

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Solution

The fourth proportional to 12,349.44, 17,041.32 and 7,042.32 is: 9,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.44 : 17,041.32 = 7,042.32 : x
  2. Step 2: Convert to fraction form
    12,349.44/17,041.32 = 7,042.32/x
  3. Step 3: Cross multiply
    12,349.44x = 17,041.32 × 7,042.32
  4. Step 4: Simplify right side
    12,349.44x = 120,010,428.66
  5. Step 5: Solve for x
    x = 120,010,428.66/12,349.44
  6. Step 6: Final answer
    x = 9,717.88

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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.