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Finding the Fourth Proportional to 48,398.60, 72,597.69 and 18,837.05

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Solution

The fourth proportional to 48,398.60, 72,597.69 and 18,837.05 is: 28,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,398.60 : 72,597.69 = 18,837.05 : x
  2. Step 2: Convert to fraction form
    48,398.60/72,597.69 = 18,837.05/x
  3. Step 3: Cross multiply
    48,398.60x = 72,597.69 × 18,837.05
  4. Step 4: Simplify right side
    48,398.60x = 1,367,525,953.43
  5. Step 5: Solve for x
    x = 1,367,525,953.43/48,398.60
  6. Step 6: Final answer
    x = 28,255.49

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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.