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Finding the Fourth Proportional to 44,247.70, 61,139.64 and 35,368.48

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Solution

The fourth proportional to 44,247.70, 61,139.64 and 35,368.48 is: 48,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,247.70 : 61,139.64 = 35,368.48 : x
  2. Step 2: Convert to fraction form
    44,247.70/61,139.64 = 35,368.48/x
  3. Step 3: Cross multiply
    44,247.70x = 61,139.64 × 35,368.48
  4. Step 4: Simplify right side
    44,247.70x = 2,162,416,134.55
  5. Step 5: Solve for x
    x = 2,162,416,134.55/44,247.70
  6. Step 6: Final answer
    x = 48,870.70

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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.