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Finding the Fourth Proportional to 47,360.76, 65,358 and 26,141.28

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Solution

The fourth proportional to 47,360.76, 65,358 and 26,141.28 is: 36,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,360.76 : 65,358 = 26,141.28 : x
  2. Step 2: Convert to fraction form
    47,360.76/65,358 = 26,141.28/x
  3. Step 3: Cross multiply
    47,360.76x = 65,358 × 26,141.28
  4. Step 4: Simplify right side
    47,360.76x = 1,708,541,778.24
  5. Step 5: Solve for x
    x = 1,708,541,778.24/47,360.76
  6. Step 6: Final answer
    x = 36,075.05

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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.