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Finding the Fourth Proportional to 61,521.84, 92,282.80 and 17,148.72

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Solution

The fourth proportional to 61,521.84, 92,282.80 and 17,148.72 is: 25,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,521.84 : 92,282.80 = 17,148.72 : x
  2. Step 2: Convert to fraction form
    61,521.84/92,282.80 = 17,148.72/x
  3. Step 3: Cross multiply
    61,521.84x = 92,282.80 × 17,148.72
  4. Step 4: Simplify right side
    61,521.84x = 1,582,531,898.02
  5. Step 5: Solve for x
    x = 1,582,531,898.02/61,521.84
  6. Step 6: Final answer
    x = 25,723.09

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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.