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Finding the Fourth Proportional to 27,165.60, 40,699.80 and 22,208.40

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Solution

The fourth proportional to 27,165.60, 40,699.80 and 22,208.40 is: 33,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.60 : 40,699.80 = 22,208.40 : x
  2. Step 2: Convert to fraction form
    27,165.60/40,699.80 = 22,208.40/x
  3. Step 3: Cross multiply
    27,165.60x = 40,699.80 × 22,208.40
  4. Step 4: Simplify right side
    27,165.60x = 903,877,438.32
  5. Step 5: Solve for x
    x = 903,877,438.32/27,165.60
  6. Step 6: Final answer
    x = 33,272.87

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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.