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Finding the Fourth Proportional to 56,530.91, 84,803.96 and 29,889.81

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Solution

The fourth proportional to 56,530.91, 84,803.96 and 29,889.81 is: 44,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,530.91 : 84,803.96 = 29,889.81 : x
  2. Step 2: Convert to fraction form
    56,530.91/84,803.96 = 29,889.81/x
  3. Step 3: Cross multiply
    56,530.91x = 84,803.96 × 29,889.81
  4. Step 4: Simplify right side
    56,530.91x = 2,534,774,326.37
  5. Step 5: Solve for x
    x = 2,534,774,326.37/56,530.91
  6. Step 6: Final answer
    x = 44,838.73

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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.