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Finding the Fourth Proportional to 61,749.80, 92,526.26 and 39,544.90

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Solution

The fourth proportional to 61,749.80, 92,526.26 and 39,544.90 is: 59,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,749.80 : 92,526.26 = 39,544.90 : x
  2. Step 2: Convert to fraction form
    61,749.80/92,526.26 = 39,544.90/x
  3. Step 3: Cross multiply
    61,749.80x = 92,526.26 × 39,544.90
  4. Step 4: Simplify right side
    61,749.80x = 3,658,941,699.07
  5. Step 5: Solve for x
    x = 3,658,941,699.07/61,749.80
  6. Step 6: Final answer
    x = 59,254.31

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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.