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Finding the Fourth Proportional to 61,907.93, 85,438.23 and 35,055.17

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Solution

The fourth proportional to 61,907.93, 85,438.23 and 35,055.17 is: 48,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,907.93 : 85,438.23 = 35,055.17 : x
  2. Step 2: Convert to fraction form
    61,907.93/85,438.23 = 35,055.17/x
  3. Step 3: Cross multiply
    61,907.93x = 85,438.23 × 35,055.17
  4. Step 4: Simplify right side
    61,907.93x = 2,995,051,677.15
  5. Step 5: Solve for x
    x = 2,995,051,677.15/61,907.93
  6. Step 6: Final answer
    x = 48,379.13

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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.