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Finding the Fourth Proportional to 61,664.90, 92,499.95 and 19,544.06

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Solution

The fourth proportional to 61,664.90, 92,499.95 and 19,544.06 is: 29,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.90 : 92,499.95 = 19,544.06 : x
  2. Step 2: Convert to fraction form
    61,664.90/92,499.95 = 19,544.06/x
  3. Step 3: Cross multiply
    61,664.90x = 92,499.95 × 19,544.06
  4. Step 4: Simplify right side
    61,664.90x = 1,807,824,572.80
  5. Step 5: Solve for x
    x = 1,807,824,572.80/61,664.90
  6. Step 6: Final answer
    x = 29,316.91

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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.