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Finding the Fourth Proportional to 42,624.40, 63,965.40 and 23,904.40

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Solution

The fourth proportional to 42,624.40, 63,965.40 and 23,904.40 is: 35,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624.40 : 63,965.40 = 23,904.40 : x
  2. Step 2: Convert to fraction form
    42,624.40/63,965.40 = 23,904.40/x
  3. Step 3: Cross multiply
    42,624.40x = 63,965.40 × 23,904.40
  4. Step 4: Simplify right side
    42,624.40x = 1,529,054,507.76
  5. Step 5: Solve for x
    x = 1,529,054,507.76/42,624.40
  6. Step 6: Final answer
    x = 35,872.75

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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.