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Finding the Fourth Proportional to 53,494.68, 80,188.56 and 18,410.40

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Solution

The fourth proportional to 53,494.68, 80,188.56 and 18,410.40 is: 27,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,494.68 : 80,188.56 = 18,410.40 : x
  2. Step 2: Convert to fraction form
    53,494.68/80,188.56 = 18,410.40/x
  3. Step 3: Cross multiply
    53,494.68x = 80,188.56 × 18,410.40
  4. Step 4: Simplify right side
    53,494.68x = 1,476,303,465.02
  5. Step 5: Solve for x
    x = 1,476,303,465.02/53,494.68
  6. Step 6: Final answer
    x = 27,597.20

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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.