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Finding the Fourth Proportional to 61,804.19, 92,641.64 and 28,546.07

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Solution

The fourth proportional to 61,804.19, 92,641.64 and 28,546.07 is: 42,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.19 : 92,641.64 = 28,546.07 : x
  2. Step 2: Convert to fraction form
    61,804.19/92,641.64 = 28,546.07/x
  3. Step 3: Cross multiply
    61,804.19x = 92,641.64 × 28,546.07
  4. Step 4: Simplify right side
    61,804.19x = 2,644,554,134.42
  5. Step 5: Solve for x
    x = 2,644,554,134.42/61,804.19
  6. Step 6: Final answer
    x = 42,789.24

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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.