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Finding the Fourth Proportional to 71,741.76, 99,010.08 and 43,445.76

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Solution

The fourth proportional to 71,741.76, 99,010.08 and 43,445.76 is: 59,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,741.76 : 99,010.08 = 43,445.76 : x
  2. Step 2: Convert to fraction form
    71,741.76/99,010.08 = 43,445.76/x
  3. Step 3: Cross multiply
    71,741.76x = 99,010.08 × 43,445.76
  4. Step 4: Simplify right side
    71,741.76x = 4,301,568,173.26
  5. Step 5: Solve for x
    x = 4,301,568,173.26/71,741.76
  6. Step 6: Final answer
    x = 59,959.06

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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.