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Finding the Fourth Proportional to 15,768.68, 23,653.02 and 11,365.52

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Solution

The fourth proportional to 15,768.68, 23,653.02 and 11,365.52 is: 17,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.68 : 23,653.02 = 11,365.52 : x
  2. Step 2: Convert to fraction form
    15,768.68/23,653.02 = 11,365.52/x
  3. Step 3: Cross multiply
    15,768.68x = 23,653.02 × 11,365.52
  4. Step 4: Simplify right side
    15,768.68x = 268,828,871.87
  5. Step 5: Solve for x
    x = 268,828,871.87/15,768.68
  6. Step 6: Final answer
    x = 17,048.28

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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.