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Finding the Fourth Proportional to 47,483.74, 65,484.21 and 40,767.22

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Solution

The fourth proportional to 47,483.74, 65,484.21 and 40,767.22 is: 56,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,483.74 : 65,484.21 = 40,767.22 : x
  2. Step 2: Convert to fraction form
    47,483.74/65,484.21 = 40,767.22/x
  3. Step 3: Cross multiply
    47,483.74x = 65,484.21 × 40,767.22
  4. Step 4: Simplify right side
    47,483.74x = 2,669,609,195.60
  5. Step 5: Solve for x
    x = 2,669,609,195.60/47,483.74
  6. Step 6: Final answer
    x = 56,221.54

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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.