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Finding the Fourth Proportional to 15,659.84, 23,489.71 and 3,973.03

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Solution

The fourth proportional to 15,659.84, 23,489.71 and 3,973.03 is: 5,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.84 : 23,489.71 = 3,973.03 : x
  2. Step 2: Convert to fraction form
    15,659.84/23,489.71 = 3,973.03/x
  3. Step 3: Cross multiply
    15,659.84x = 23,489.71 × 3,973.03
  4. Step 4: Simplify right side
    15,659.84x = 93,325,322.52
  5. Step 5: Solve for x
    x = 93,325,322.52/15,659.84
  6. Step 6: Final answer
    x = 5,959.53

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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.