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Finding the Fourth Proportional to 61,888.88, 85,389.41 and 35,030.81

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Solution

The fourth proportional to 61,888.88, 85,389.41 and 35,030.81 is: 48,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,888.88 : 85,389.41 = 35,030.81 : x
  2. Step 2: Convert to fraction form
    61,888.88/85,389.41 = 35,030.81/x
  3. Step 3: Cross multiply
    61,888.88x = 85,389.41 × 35,030.81
  4. Step 4: Simplify right side
    61,888.88x = 2,991,259,595.62
  5. Step 5: Solve for x
    x = 2,991,259,595.62/61,888.88
  6. Step 6: Final answer
    x = 48,332.75

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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.