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Finding the Fourth Proportional to 61,510.70, 84,888.60 and 35,674.50

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Solution

The fourth proportional to 61,510.70, 84,888.60 and 35,674.50 is: 49,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,510.70 : 84,888.60 = 35,674.50 : x
  2. Step 2: Convert to fraction form
    61,510.70/84,888.60 = 35,674.50/x
  3. Step 3: Cross multiply
    61,510.70x = 84,888.60 × 35,674.50
  4. Step 4: Simplify right side
    61,510.70x = 3,028,358,360.70
  5. Step 5: Solve for x
    x = 3,028,358,360.70/61,510.70
  6. Step 6: Final answer
    x = 49,233.03

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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.