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Finding the Fourth Proportional to 47,762.40, 65,908.80 and 26,540.40

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Solution

The fourth proportional to 47,762.40, 65,908.80 and 26,540.40 is: 36,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,762.40 : 65,908.80 = 26,540.40 : x
  2. Step 2: Convert to fraction form
    47,762.40/65,908.80 = 26,540.40/x
  3. Step 3: Cross multiply
    47,762.40x = 65,908.80 × 26,540.40
  4. Step 4: Simplify right side
    47,762.40x = 1,749,245,915.52
  5. Step 5: Solve for x
    x = 1,749,245,915.52/47,762.40
  6. Step 6: Final answer
    x = 36,623.91

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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.