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Finding the Fourth Proportional to 45,037.84, 67,565.04 and 15,458.64

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Solution

The fourth proportional to 45,037.84, 67,565.04 and 15,458.64 is: 23,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,037.84 : 67,565.04 = 15,458.64 : x
  2. Step 2: Convert to fraction form
    45,037.84/67,565.04 = 15,458.64/x
  3. Step 3: Cross multiply
    45,037.84x = 67,565.04 × 15,458.64
  4. Step 4: Simplify right side
    45,037.84x = 1,044,463,629.95
  5. Step 5: Solve for x
    x = 1,044,463,629.95/45,037.84
  6. Step 6: Final answer
    x = 23,190.80

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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.