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Finding the Fourth Proportional to 47,649.61, 65,764.34 and 26,435.71

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Solution

The fourth proportional to 47,649.61, 65,764.34 and 26,435.71 is: 36,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.61 : 65,764.34 = 26,435.71 : x
  2. Step 2: Convert to fraction form
    47,649.61/65,764.34 = 26,435.71/x
  3. Step 3: Cross multiply
    47,649.61x = 65,764.34 × 26,435.71
  4. Step 4: Simplify right side
    47,649.61x = 1,738,526,888.40
  5. Step 5: Solve for x
    x = 1,738,526,888.40/47,649.61
  6. Step 6: Final answer
    x = 36,485.65

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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.