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Finding the Fourth Proportional to 61,798.25, 92,664.57 and 28,501.18

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Solution

The fourth proportional to 61,798.25, 92,664.57 and 28,501.18 is: 42,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,798.25 : 92,664.57 = 28,501.18 : x
  2. Step 2: Convert to fraction form
    61,798.25/92,664.57 = 28,501.18/x
  3. Step 3: Cross multiply
    61,798.25x = 92,664.57 × 28,501.18
  4. Step 4: Simplify right side
    61,798.25x = 2,641,049,589.19
  5. Step 5: Solve for x
    x = 2,641,049,589.19/61,798.25
  6. Step 6: Final answer
    x = 42,736.64

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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.