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Finding the Fourth Proportional to 12,356.73, 17,050.65 and 7,051.23

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Solution

The fourth proportional to 12,356.73, 17,050.65 and 7,051.23 is: 9,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.73 : 17,050.65 = 7,051.23 : x
  2. Step 2: Convert to fraction form
    12,356.73/17,050.65 = 7,051.23/x
  3. Step 3: Cross multiply
    12,356.73x = 17,050.65 × 7,051.23
  4. Step 4: Simplify right side
    12,356.73x = 120,228,054.80
  5. Step 5: Solve for x
    x = 120,228,054.80/12,356.73
  6. Step 6: Final answer
    x = 9,729.76

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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.