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Finding the Fourth Proportional to 61,506.95, 92,263.86 and 19,388.16

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Solution

The fourth proportional to 61,506.95, 92,263.86 and 19,388.16 is: 29,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,506.95 : 92,263.86 = 19,388.16 : x
  2. Step 2: Convert to fraction form
    61,506.95/92,263.86 = 19,388.16/x
  3. Step 3: Cross multiply
    61,506.95x = 92,263.86 × 19,388.16
  4. Step 4: Simplify right side
    61,506.95x = 1,788,826,479.90
  5. Step 5: Solve for x
    x = 1,788,826,479.90/61,506.95
  6. Step 6: Final answer
    x = 29,083.33

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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.