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Finding the Fourth Proportional to 56,901.98, 78,524.30 and 33,030.88

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Solution

The fourth proportional to 56,901.98, 78,524.30 and 33,030.88 is: 45,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.98 : 78,524.30 = 33,030.88 : x
  2. Step 2: Convert to fraction form
    56,901.98/78,524.30 = 33,030.88/x
  3. Step 3: Cross multiply
    56,901.98x = 78,524.30 × 33,030.88
  4. Step 4: Simplify right side
    56,901.98x = 2,593,726,730.38
  5. Step 5: Solve for x
    x = 2,593,726,730.38/56,901.98
  6. Step 6: Final answer
    x = 45,582.36

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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.