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Finding the Fourth Proportional to 61,798.37, 92,626.16 and 28,448.51

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Solution

The fourth proportional to 61,798.37, 92,626.16 and 28,448.51 is: 42,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,798.37 : 92,626.16 = 28,448.51 : x
  2. Step 2: Convert to fraction form
    61,798.37/92,626.16 = 28,448.51/x
  3. Step 3: Cross multiply
    61,798.37x = 92,626.16 × 28,448.51
  4. Step 4: Simplify right side
    61,798.37x = 2,635,076,096.78
  5. Step 5: Solve for x
    x = 2,635,076,096.78/61,798.37
  6. Step 6: Final answer
    x = 42,639.90

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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.