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Finding the Fourth Proportional to 44,297,956.80, 66,459,376.80 and 21,579,595.20

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Solution

The fourth proportional to 44,297,956.80, 66,459,376.80 and 21,579,595.20 is: 32,375,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,297,956.80 : 66,459,376.80 = 21,579,595.20 : x
  2. Step 2: Convert to fraction form
    44,297,956.80/66,459,376.80 = 21,579,595.20/x
  3. Step 3: Cross multiply
    44,297,956.80x = 66,459,376.80 × 21,579,595.20
  4. Step 4: Simplify right side
    44,297,956.80x = 1,434,166,448,588,271.25
  5. Step 5: Solve for x
    x = 1,434,166,448,588,271.25/44,297,956.80
  6. Step 6: Final answer
    x = 32,375,453.68

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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.