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Finding the Fourth Proportional to 47,443.88, 65,472.90 and 26,223.78

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Solution

The fourth proportional to 47,443.88, 65,472.90 and 26,223.78 is: 36,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,443.88 : 65,472.90 = 26,223.78 : x
  2. Step 2: Convert to fraction form
    47,443.88/65,472.90 = 26,223.78/x
  3. Step 3: Cross multiply
    47,443.88x = 65,472.90 × 26,223.78
  4. Step 4: Simplify right side
    47,443.88x = 1,716,946,925.56
  5. Step 5: Solve for x
    x = 1,716,946,925.56/47,443.88
  6. Step 6: Final answer
    x = 36,189.01

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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.