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Finding the Fourth Proportional to 61,403.88, 84,709.77 and 37,526.07

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Solution

The fourth proportional to 61,403.88, 84,709.77 and 37,526.07 is: 51,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,403.88 : 84,709.77 = 37,526.07 : x
  2. Step 2: Convert to fraction form
    61,403.88/84,709.77 = 37,526.07/x
  3. Step 3: Cross multiply
    61,403.88x = 84,709.77 × 37,526.07
  4. Step 4: Simplify right side
    61,403.88x = 3,178,824,758.70
  5. Step 5: Solve for x
    x = 3,178,824,758.70/61,403.88
  6. Step 6: Final answer
    x = 51,769.12

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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.