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Finding the Fourth Proportional to 26,656.88, 40,006.98 and 13,513.01

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Solution

The fourth proportional to 26,656.88, 40,006.98 and 13,513.01 is: 20,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.88 : 40,006.98 = 13,513.01 : x
  2. Step 2: Convert to fraction form
    26,656.88/40,006.98 = 13,513.01/x
  3. Step 3: Cross multiply
    26,656.88x = 40,006.98 × 13,513.01
  4. Step 4: Simplify right side
    26,656.88x = 540,614,520.77
  5. Step 5: Solve for x
    x = 540,614,520.77/26,656.88
  6. Step 6: Final answer
    x = 20,280.49

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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.