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Finding the Fourth Proportional to 33,125.61, 45,714.10 and 18,019.08

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Solution

The fourth proportional to 33,125.61, 45,714.10 and 18,019.08 is: 24,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.61 : 45,714.10 = 18,019.08 : x
  2. Step 2: Convert to fraction form
    33,125.61/45,714.10 = 18,019.08/x
  3. Step 3: Cross multiply
    33,125.61x = 45,714.10 × 18,019.08
  4. Step 4: Simplify right side
    33,125.61x = 823,726,025.03
  5. Step 5: Solve for x
    x = 823,726,025.03/33,125.61
  6. Step 6: Final answer
    x = 24,866.74

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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.