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Finding the Fourth Proportional to 52,624.98, 72,628.68 and 29,969.40

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Solution

The fourth proportional to 52,624.98, 72,628.68 and 29,969.40 is: 41,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,624.98 : 72,628.68 = 29,969.40 : x
  2. Step 2: Convert to fraction form
    52,624.98/72,628.68 = 29,969.40/x
  3. Step 3: Cross multiply
    52,624.98x = 72,628.68 × 29,969.40
  4. Step 4: Simplify right side
    52,624.98x = 2,176,637,962.39
  5. Step 5: Solve for x
    x = 2,176,637,962.39/52,624.98
  6. Step 6: Final answer
    x = 41,361.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.