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Finding the Fourth Proportional to 17,784.40, 26,741.40 and 14,933.20

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Solution

The fourth proportional to 17,784.40, 26,741.40 and 14,933.20 is: 22,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784.40 : 26,741.40 = 14,933.20 : x
  2. Step 2: Convert to fraction form
    17,784.40/26,741.40 = 14,933.20/x
  3. Step 3: Cross multiply
    17,784.40x = 26,741.40 × 14,933.20
  4. Step 4: Simplify right side
    17,784.40x = 399,334,674.48
  5. Step 5: Solve for x
    x = 399,334,674.48/17,784.40
  6. Step 6: Final answer
    x = 22,454.21

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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.