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Finding the Fourth Proportional to 61,764.72, 92,646.81 and 15,018

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Solution

The fourth proportional to 61,764.72, 92,646.81 and 15,018 is: 22,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,764.72 : 92,646.81 = 15,018 : x
  2. Step 2: Convert to fraction form
    61,764.72/92,646.81 = 15,018/x
  3. Step 3: Cross multiply
    61,764.72x = 92,646.81 × 15,018
  4. Step 4: Simplify right side
    61,764.72x = 1,391,369,792.58
  5. Step 5: Solve for x
    x = 1,391,369,792.58/61,764.72
  6. Step 6: Final answer
    x = 22,526.93

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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.