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Finding the Fourth Proportional to 26,801.79, 36,986.22 and 14,865.22

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Solution

The fourth proportional to 26,801.79, 36,986.22 and 14,865.22 is: 20,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,801.79 : 36,986.22 = 14,865.22 : x
  2. Step 2: Convert to fraction form
    26,801.79/36,986.22 = 14,865.22/x
  3. Step 3: Cross multiply
    26,801.79x = 36,986.22 × 14,865.22
  4. Step 4: Simplify right side
    26,801.79x = 549,808,343.50
  5. Step 5: Solve for x
    x = 549,808,343.50/26,801.79
  6. Step 6: Final answer
    x = 20,513.87

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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.