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Finding the Fourth Proportional to 47,679.86, 65,798.80 and 26,461.10

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Solution

The fourth proportional to 47,679.86, 65,798.80 and 26,461.10 is: 36,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,679.86 : 65,798.80 = 26,461.10 : x
  2. Step 2: Convert to fraction form
    47,679.86/65,798.80 = 26,461.10/x
  3. Step 3: Cross multiply
    47,679.86x = 65,798.80 × 26,461.10
  4. Step 4: Simplify right side
    47,679.86x = 1,741,108,626.68
  5. Step 5: Solve for x
    x = 1,741,108,626.68/47,679.86
  6. Step 6: Final answer
    x = 36,516.65

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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.