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Finding the Fourth Proportional to 40,697.83, 61,056.06 and 15,738.13

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Solution

The fourth proportional to 40,697.83, 61,056.06 and 15,738.13 is: 23,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,697.83 : 61,056.06 = 15,738.13 : x
  2. Step 2: Convert to fraction form
    40,697.83/61,056.06 = 15,738.13/x
  3. Step 3: Cross multiply
    40,697.83x = 61,056.06 × 15,738.13
  4. Step 4: Simplify right side
    40,697.83x = 960,908,209.57
  5. Step 5: Solve for x
    x = 960,908,209.57/40,697.83
  6. Step 6: Final answer
    x = 23,610.80

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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.