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Finding the Fourth Proportional to 61,328.72, 91,759.80 and 37,897.04

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Solution

The fourth proportional to 61,328.72, 91,759.80 and 37,897.04 is: 56,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,328.72 : 91,759.80 = 37,897.04 : x
  2. Step 2: Convert to fraction form
    61,328.72/91,759.80 = 37,897.04/x
  3. Step 3: Cross multiply
    61,328.72x = 91,759.80 × 37,897.04
  4. Step 4: Simplify right side
    61,328.72x = 3,477,424,810.99
  5. Step 5: Solve for x
    x = 3,477,424,810.99/61,328.72
  6. Step 6: Final answer
    x = 56,701.41

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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.