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Finding the Fourth Proportional to 23,510.51, 35,243.08 and 7,919.63

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Solution

The fourth proportional to 23,510.51, 35,243.08 and 7,919.63 is: 11,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,510.51 : 35,243.08 = 7,919.63 : x
  2. Step 2: Convert to fraction form
    23,510.51/35,243.08 = 7,919.63/x
  3. Step 3: Cross multiply
    23,510.51x = 35,243.08 × 7,919.63
  4. Step 4: Simplify right side
    23,510.51x = 279,111,937.85
  5. Step 5: Solve for x
    x = 279,111,937.85/23,510.51
  6. Step 6: Final answer
    x = 11,871.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.