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Finding the Fourth Proportional to 45,508.58, 68,258.02 and 15,926.98

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Solution

The fourth proportional to 45,508.58, 68,258.02 and 15,926.98 is: 23,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,508.58 : 68,258.02 = 15,926.98 : x
  2. Step 2: Convert to fraction form
    45,508.58/68,258.02 = 15,926.98/x
  3. Step 3: Cross multiply
    45,508.58x = 68,258.02 × 15,926.98
  4. Step 4: Simplify right side
    45,508.58x = 1,087,144,119.38
  5. Step 5: Solve for x
    x = 1,087,144,119.38/45,508.58
  6. Step 6: Final answer
    x = 23,888.77

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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.