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Finding the Fourth Proportional to 27,293.60, 40,940.40 and 17,962.40

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Solution

The fourth proportional to 27,293.60, 40,940.40 and 17,962.40 is: 26,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,293.60 : 40,940.40 = 17,962.40 : x
  2. Step 2: Convert to fraction form
    27,293.60/40,940.40 = 17,962.40/x
  3. Step 3: Cross multiply
    27,293.60x = 40,940.40 × 17,962.40
  4. Step 4: Simplify right side
    27,293.60x = 735,387,840.96
  5. Step 5: Solve for x
    x = 735,387,840.96/27,293.60
  6. Step 6: Final answer
    x = 26,943.60

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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.