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Finding the Fourth Proportional to 61,846.99, 85,347.68 and 37,973.15

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Solution

The fourth proportional to 61,846.99, 85,347.68 and 37,973.15 is: 52,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,846.99 : 85,347.68 = 37,973.15 : x
  2. Step 2: Convert to fraction form
    61,846.99/85,347.68 = 37,973.15/x
  3. Step 3: Cross multiply
    61,846.99x = 85,347.68 × 37,973.15
  4. Step 4: Simplify right side
    61,846.99x = 3,240,920,438.32
  5. Step 5: Solve for x
    x = 3,240,920,438.32/61,846.99
  6. Step 6: Final answer
    x = 52,402.23

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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.