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Finding the Fourth Proportional to 43,648.72, 65,538.72 and 26,196.64

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Solution

The fourth proportional to 43,648.72, 65,538.72 and 26,196.64 is: 39,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,648.72 : 65,538.72 = 26,196.64 : x
  2. Step 2: Convert to fraction form
    43,648.72/65,538.72 = 26,196.64/x
  3. Step 3: Cross multiply
    43,648.72x = 65,538.72 × 26,196.64
  4. Step 4: Simplify right side
    43,648.72x = 1,716,894,253.90
  5. Step 5: Solve for x
    x = 1,716,894,253.90/43,648.72
  6. Step 6: Final answer
    x = 39,334.36

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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.