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Finding the Fourth Proportional to 23,574.30, 35,359.02 and 7,991.52

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Solution

The fourth proportional to 23,574.30, 35,359.02 and 7,991.52 is: 11,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,574.30 : 35,359.02 = 7,991.52 : x
  2. Step 2: Convert to fraction form
    23,574.30/35,359.02 = 7,991.52/x
  3. Step 3: Cross multiply
    23,574.30x = 35,359.02 × 7,991.52
  4. Step 4: Simplify right side
    23,574.30x = 282,572,315.51
  5. Step 5: Solve for x
    x = 282,572,315.51/23,574.30
  6. Step 6: Final answer
    x = 11,986.46

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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.