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Finding the Fourth Proportional to 15,695.02, 21,659.04 and 8,525.08

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Solution

The fourth proportional to 15,695.02, 21,659.04 and 8,525.08 is: 11,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.02 : 21,659.04 = 8,525.08 : x
  2. Step 2: Convert to fraction form
    15,695.02/21,659.04 = 8,525.08/x
  3. Step 3: Cross multiply
    15,695.02x = 21,659.04 × 8,525.08
  4. Step 4: Simplify right side
    15,695.02x = 184,645,048.72
  5. Step 5: Solve for x
    x = 184,645,048.72/15,695.02
  6. Step 6: Final answer
    x = 11,764.56

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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.