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Finding the Fourth Proportional to 12,356.28, 17,051.49 and 7,050.96

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Solution

The fourth proportional to 12,356.28, 17,051.49 and 7,050.96 is: 9,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.28 : 17,051.49 = 7,050.96 : x
  2. Step 2: Convert to fraction form
    12,356.28/17,051.49 = 7,050.96/x
  3. Step 3: Cross multiply
    12,356.28x = 17,051.49 × 7,050.96
  4. Step 4: Simplify right side
    12,356.28x = 120,229,373.93
  5. Step 5: Solve for x
    x = 120,229,373.93/12,356.28
  6. Step 6: Final answer
    x = 9,730.22

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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.