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Finding the Fourth Proportional to 56,761.83, 77,764.10 and 54,633.62

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Solution

The fourth proportional to 56,761.83, 77,764.10 and 54,633.62 is: 74,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,761.83 : 77,764.10 = 54,633.62 : x
  2. Step 2: Convert to fraction form
    56,761.83/77,764.10 = 54,633.62/x
  3. Step 3: Cross multiply
    56,761.83x = 77,764.10 × 54,633.62
  4. Step 4: Simplify right side
    56,761.83x = 4,248,534,210.28
  5. Step 5: Solve for x
    x = 4,248,534,210.28/56,761.83
  6. Step 6: Final answer
    x = 74,848.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.