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Finding the Fourth Proportional to 12,365.61, 17,064.84 and 7,060.92

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Solution

The fourth proportional to 12,365.61, 17,064.84 and 7,060.92 is: 9,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.61 : 17,064.84 = 7,060.92 : x
  2. Step 2: Convert to fraction form
    12,365.61/17,064.84 = 7,060.92/x
  3. Step 3: Cross multiply
    12,365.61x = 17,064.84 × 7,060.92
  4. Step 4: Simplify right side
    12,365.61x = 120,493,470.05
  5. Step 5: Solve for x
    x = 120,493,470.05/12,365.61
  6. Step 6: Final answer
    x = 9,744.24

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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.