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Finding the Fourth Proportional to 61,624.64, 92,450.79 and 19,507.22

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Solution

The fourth proportional to 61,624.64, 92,450.79 and 19,507.22 is: 29,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,624.64 : 92,450.79 = 19,507.22 : x
  2. Step 2: Convert to fraction form
    61,624.64/92,450.79 = 19,507.22/x
  3. Step 3: Cross multiply
    61,624.64x = 92,450.79 × 19,507.22
  4. Step 4: Simplify right side
    61,624.64x = 1,803,457,437.45
  5. Step 5: Solve for x
    x = 1,803,457,437.45/61,624.64
  6. Step 6: Final answer
    x = 29,265.20

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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.