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Finding the Fourth Proportional to 61,653.19, 92,473.78 and 41,790.32

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Solution

The fourth proportional to 61,653.19, 92,473.78 and 41,790.32 is: 62,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,653.19 : 92,473.78 = 41,790.32 : x
  2. Step 2: Convert to fraction form
    61,653.19/92,473.78 = 41,790.32/x
  3. Step 3: Cross multiply
    61,653.19x = 92,473.78 × 41,790.32
  4. Step 4: Simplify right side
    61,653.19x = 3,864,509,200.92
  5. Step 5: Solve for x
    x = 3,864,509,200.92/61,653.19
  6. Step 6: Final answer
    x = 62,681.42

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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.