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Finding the Fourth Proportional to 61,804.01, 85,284.28 and 34,942.79

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Solution

The fourth proportional to 61,804.01, 85,284.28 and 34,942.79 is: 48,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.01 : 85,284.28 = 34,942.79 : x
  2. Step 2: Convert to fraction form
    61,804.01/85,284.28 = 34,942.79/x
  3. Step 3: Cross multiply
    61,804.01x = 85,284.28 × 34,942.79
  4. Step 4: Simplify right side
    61,804.01x = 2,980,070,686.34
  5. Step 5: Solve for x
    x = 2,980,070,686.34/61,804.01
  6. Step 6: Final answer
    x = 48,218.08

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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.