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Finding the Fourth Proportional to 56,208.65, 84,317.85 and 22,931.01

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Solution

The fourth proportional to 56,208.65, 84,317.85 and 22,931.01 is: 34,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,208.65 : 84,317.85 = 22,931.01 : x
  2. Step 2: Convert to fraction form
    56,208.65/84,317.85 = 22,931.01/x
  3. Step 3: Cross multiply
    56,208.65x = 84,317.85 × 22,931.01
  4. Step 4: Simplify right side
    56,208.65x = 1,933,493,461.53
  5. Step 5: Solve for x
    x = 1,933,493,461.53/56,208.65
  6. Step 6: Final answer
    x = 34,398.51

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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.