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Finding the Fourth Proportional to 61,686.68, 92,533.32 and 19,569.96

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Solution

The fourth proportional to 61,686.68, 92,533.32 and 19,569.96 is: 29,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,686.68 : 92,533.32 = 19,569.96 : x
  2. Step 2: Convert to fraction form
    61,686.68/92,533.32 = 19,569.96/x
  3. Step 3: Cross multiply
    61,686.68x = 92,533.32 × 19,569.96
  4. Step 4: Simplify right side
    61,686.68x = 1,810,873,371.07
  5. Step 5: Solve for x
    x = 1,810,873,371.07/61,686.68
  6. Step 6: Final answer
    x = 29,355.99

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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.