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Finding the Fourth Proportional to 43,590.30, 65,212.65 and 37,811.10

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Solution

The fourth proportional to 43,590.30, 65,212.65 and 37,811.10 is: 56,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,590.30 : 65,212.65 = 37,811.10 : x
  2. Step 2: Convert to fraction form
    43,590.30/65,212.65 = 37,811.10/x
  3. Step 3: Cross multiply
    43,590.30x = 65,212.65 × 37,811.10
  4. Step 4: Simplify right side
    43,590.30x = 2,465,762,030.42
  5. Step 5: Solve for x
    x = 2,465,762,030.42/43,590.30
  6. Step 6: Final answer
    x = 56,566.76

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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.