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Finding the Fourth Proportional to 27,323.60, 37,671.84 and 18,356.88

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Solution

The fourth proportional to 27,323.60, 37,671.84 and 18,356.88 is: 25,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.60 : 37,671.84 = 18,356.88 : x
  2. Step 2: Convert to fraction form
    27,323.60/37,671.84 = 18,356.88/x
  3. Step 3: Cross multiply
    27,323.60x = 37,671.84 × 18,356.88
  4. Step 4: Simplify right side
    27,323.60x = 691,537,446.26
  5. Step 5: Solve for x
    x = 691,537,446.26/27,323.60
  6. Step 6: Final answer
    x = 25,309.16

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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.