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Finding the Fourth Proportional to 26,651.98, 36,784.47 and 15,897.52

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Solution

The fourth proportional to 26,651.98, 36,784.47 and 15,897.52 is: 21,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.98 : 36,784.47 = 15,897.52 : x
  2. Step 2: Convert to fraction form
    26,651.98/36,784.47 = 15,897.52/x
  3. Step 3: Cross multiply
    26,651.98x = 36,784.47 × 15,897.52
  4. Step 4: Simplify right side
    26,651.98x = 584,781,847.51
  5. Step 5: Solve for x
    x = 584,781,847.51/26,651.98
  6. Step 6: Final answer
    x = 21,941.40

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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.