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Finding the Fourth Proportional to 18,566.29, 27,656.51 and 17,560.27

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Solution

The fourth proportional to 18,566.29, 27,656.51 and 17,560.27 is: 26,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.29 : 27,656.51 = 17,560.27 : x
  2. Step 2: Convert to fraction form
    18,566.29/27,656.51 = 17,560.27/x
  3. Step 3: Cross multiply
    18,566.29x = 27,656.51 × 17,560.27
  4. Step 4: Simplify right side
    18,566.29x = 485,655,782.86
  5. Step 5: Solve for x
    x = 485,655,782.86/18,566.29
  6. Step 6: Final answer
    x = 26,157.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.