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Finding the Fourth Proportional to 43,398.66, 65,031.02 and 29,303.45

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Solution

The fourth proportional to 43,398.66, 65,031.02 and 29,303.45 is: 43,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,398.66 : 65,031.02 = 29,303.45 : x
  2. Step 2: Convert to fraction form
    43,398.66/65,031.02 = 29,303.45/x
  3. Step 3: Cross multiply
    43,398.66x = 65,031.02 × 29,303.45
  4. Step 4: Simplify right side
    43,398.66x = 1,905,632,771.35
  5. Step 5: Solve for x
    x = 1,905,632,771.35/43,398.66
  6. Step 6: Final answer
    x = 43,909.94

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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.