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Finding the Fourth Proportional to 61,804.60, 85,289.88 and 33,510.08

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Solution

The fourth proportional to 61,804.60, 85,289.88 and 33,510.08 is: 46,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.60 : 85,289.88 = 33,510.08 : x
  2. Step 2: Convert to fraction form
    61,804.60/85,289.88 = 33,510.08/x
  3. Step 3: Cross multiply
    61,804.60x = 85,289.88 × 33,510.08
  4. Step 4: Simplify right side
    61,804.60x = 2,858,070,701.99
  5. Step 5: Solve for x
    x = 2,858,070,701.99/61,804.60
  6. Step 6: Final answer
    x = 46,243.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.