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Finding the Fourth Proportional to 45,074, 67,596.62 and 15,484.70

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Solution

The fourth proportional to 45,074, 67,596.62 and 15,484.70 is: 23,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,074 : 67,596.62 = 15,484.70 : x
  2. Step 2: Convert to fraction form
    45,074/67,596.62 = 15,484.70/x
  3. Step 3: Cross multiply
    45,074x = 67,596.62 × 15,484.70
  4. Step 4: Simplify right side
    45,074x = 1,046,713,381.71
  5. Step 5: Solve for x
    x = 1,046,713,381.71/45,074
  6. Step 6: Final answer
    x = 23,222.11

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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.