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Finding the Fourth Proportional to 43,640.04, 65,483.52 and 17,345

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Solution

The fourth proportional to 43,640.04, 65,483.52 and 17,345 is: 26,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,640.04 : 65,483.52 = 17,345 : x
  2. Step 2: Convert to fraction form
    43,640.04/65,483.52 = 17,345/x
  3. Step 3: Cross multiply
    43,640.04x = 65,483.52 × 17,345
  4. Step 4: Simplify right side
    43,640.04x = 1,135,811,654.40
  5. Step 5: Solve for x
    x = 1,135,811,654.40/43,640.04
  6. Step 6: Final answer
    x = 26,026.82

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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.