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Finding the Fourth Proportional to 47,361.10, 65,353.66 and 26,139

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Solution

The fourth proportional to 47,361.10, 65,353.66 and 26,139 is: 36,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,361.10 : 65,353.66 = 26,139 : x
  2. Step 2: Convert to fraction form
    47,361.10/65,353.66 = 26,139/x
  3. Step 3: Cross multiply
    47,361.10x = 65,353.66 × 26,139
  4. Step 4: Simplify right side
    47,361.10x = 1,708,279,318.74
  5. Step 5: Solve for x
    x = 1,708,279,318.74/47,361.10
  6. Step 6: Final answer
    x = 36,069.25

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1.5x scale

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.