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Finding the Fourth Proportional to 29,771,581.80, 44,657,372.70 and 29,519,639.40

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Solution

The fourth proportional to 29,771,581.80, 44,657,372.70 and 29,519,639.40 is: 44,279,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,771,581.80 : 44,657,372.70 = 29,519,639.40 : x
  2. Step 2: Convert to fraction form
    29,771,581.80/44,657,372.70 = 29,519,639.40/x
  3. Step 3: Cross multiply
    29,771,581.80x = 44,657,372.70 × 29,519,639.40
  4. Step 4: Simplify right side
    29,771,581.80x = 1,318,269,538,655,404.50
  5. Step 5: Solve for x
    x = 1,318,269,538,655,404.50/29,771,581.80
  6. Step 6: Final answer
    x = 44,279,459.10

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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.