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Finding the Fourth Proportional to 37,065.60, 55,560.60 and 18,316.80

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Solution

The fourth proportional to 37,065.60, 55,560.60 and 18,316.80 is: 27,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,065.60 : 55,560.60 = 18,316.80 : x
  2. Step 2: Convert to fraction form
    37,065.60/55,560.60 = 18,316.80/x
  3. Step 3: Cross multiply
    37,065.60x = 55,560.60 × 18,316.80
  4. Step 4: Simplify right side
    37,065.60x = 1,017,692,398.08
  5. Step 5: Solve for x
    x = 1,017,692,398.08/37,065.60
  6. Step 6: Final answer
    x = 27,456.52

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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.