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Finding the Fourth Proportional to 61,303.96, 91,810.63 and 39,049.87

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Solution

The fourth proportional to 61,303.96, 91,810.63 and 39,049.87 is: 58,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,303.96 : 91,810.63 = 39,049.87 : x
  2. Step 2: Convert to fraction form
    61,303.96/91,810.63 = 39,049.87/x
  3. Step 3: Cross multiply
    61,303.96x = 91,810.63 × 39,049.87
  4. Step 4: Simplify right side
    61,303.96x = 3,585,193,166.12
  5. Step 5: Solve for x
    x = 3,585,193,166.12/61,303.96
  6. Step 6: Final answer
    x = 58,482.24

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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.