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Finding the Fourth Proportional to 47,645.50, 65,750.80 and 26,429.18

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Solution

The fourth proportional to 47,645.50, 65,750.80 and 26,429.18 is: 36,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,645.50 : 65,750.80 = 26,429.18 : x
  2. Step 2: Convert to fraction form
    47,645.50/65,750.80 = 26,429.18/x
  3. Step 3: Cross multiply
    47,645.50x = 65,750.80 × 26,429.18
  4. Step 4: Simplify right side
    47,645.50x = 1,737,739,728.34
  5. Step 5: Solve for x
    x = 1,737,739,728.34/47,645.50
  6. Step 6: Final answer
    x = 36,472.27

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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.