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Finding the Fourth Proportional to 64,926.80, 97,403.37 and 36,860.30

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Solution

The fourth proportional to 64,926.80, 97,403.37 and 36,860.30 is: 55,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,926.80 : 97,403.37 = 36,860.30 : x
  2. Step 2: Convert to fraction form
    64,926.80/97,403.37 = 36,860.30/x
  3. Step 3: Cross multiply
    64,926.80x = 97,403.37 × 36,860.30
  4. Step 4: Simplify right side
    64,926.80x = 3,590,317,254.91
  5. Step 5: Solve for x
    x = 3,590,317,254.91/64,926.80
  6. Step 6: Final answer
    x = 55,297.92

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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.