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Finding the Fourth Proportional to 43,956,678.60, 65,935,017.90 and 22,457,593.80

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Solution

The fourth proportional to 43,956,678.60, 65,935,017.90 and 22,457,593.80 is: 33,686,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,956,678.60 : 65,935,017.90 = 22,457,593.80 : x
  2. Step 2: Convert to fraction form
    43,956,678.60/65,935,017.90 = 22,457,593.80/x
  3. Step 3: Cross multiply
    43,956,678.60x = 65,935,017.90 × 22,457,593.80
  4. Step 4: Simplify right side
    43,956,678.60x = 1,480,741,849,193,929
  5. Step 5: Solve for x
    x = 1,480,741,849,193,929/43,956,678.60
  6. Step 6: Final answer
    x = 33,686,390.70

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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.