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Finding the Fourth Proportional to 61,798.12, 92,625.78 and 28,448.26

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Solution

The fourth proportional to 61,798.12, 92,625.78 and 28,448.26 is: 42,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,798.12 : 92,625.78 = 28,448.26 : x
  2. Step 2: Convert to fraction form
    61,798.12/92,625.78 = 28,448.26/x
  3. Step 3: Cross multiply
    61,798.12x = 92,625.78 × 28,448.26
  4. Step 4: Simplify right side
    61,798.12x = 2,635,042,272.14
  5. Step 5: Solve for x
    x = 2,635,042,272.14/61,798.12
  6. Step 6: Final answer
    x = 42,639.52

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1.5x scale

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.